//////////////////////////////////////////////////////////////////////////////// // http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.3/prototype.js ////////////////////////////////////////////////////////////////////////////////
/*  Prototype JavaScript framework, version 1.6.0.3
 *  (c) 2005-2008 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.0.3',

  Browser: {
    IE:     !!(window.attachEvent &&
      navigator.userAgent.indexOf('Opera') === -1),
    Opera:  navigator.userAgent.indexOf('Opera') > -1,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 &&
      navigator.userAgent.indexOf('KHTML') === -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    SelectorsAPI: !!document.querySelector,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      document.createElement('div')['__proto__'] &&
      document.createElement('div')['__proto__'] !==
        document.createElement('form')['__proto__']
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


/* Based on Alex Arnell's inheritance implementation. */
var Class = {
  create: function() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;

    return klass;
  }
};

Class.Methods = {
  addMethods: function(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length)
      properties.push("toString", "valueOf");

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value;
        value = (function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method);

        value.valueOf = method.valueOf.bind(method);
        value.toString = method.toString.bind(method);
      }
      this.prototype[property] = value;
    }

    return this;
  }
};

var Abstract = { };

Object.extend = function(destination, source) {
  for (var property in source)
    destination[property] = source[property];
  return destination;
};

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (Object.isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : String(object);
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (!Object.isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  },

  toQueryString: function(object) {
    return $H(object).toQueryString();
  },

  toHTML: function(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({ }, object);
  },

  isElement: function(object) {
    return !!(object && object.nodeType == 1);
  },

  isArray: function(object) {
    return object != null && typeof object == "object" &&
      'splice' in object && 'join' in object;
  },

  isHash: function(object) {
    return object instanceof Hash;
  },

  isFunction: function(object) {
    return typeof object == "function";
  },

  isString: function(object) {
    return typeof object == "string";
  },

  isNumber: function(object) {
    return typeof object == "number";
  },

  isUndefined: function(object) {
    return typeof object == "undefined";
  }
});

Object.extend(Function.prototype, {
  argumentNames: function() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
      .replace(/\s+/g, '').split(',');
    return names.length == 1 && !names[0] ? [] : names;
  },

  bind: function() {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
      return __method.apply(object, args.concat($A(arguments)));
    }
  },

  bindAsEventListener: function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
      return __method.apply(object, [event || window.event].concat(args));
    }
  },

  curry: function() {
    if (!arguments.length) return this;
    var __method = this, args = $A(arguments);
    return function() {
      return __method.apply(this, args.concat($A(arguments)));
    }
  },

  delay: function() {
    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  },

  defer: function() {
    var args = [0.01].concat($A(arguments));
    return this.delay.apply(this, args);
  },

  wrap: function(wrapper) {
    var __method = this;
    return function() {
      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
    }
  },

  methodize: function() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      return __method.apply(null, [this].concat($A(arguments)));
    };
  }
});

Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = new Element('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  isJSON: function() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

  include: function(pattern) {
    return this.indexOf(pattern) > -1;
  },

  startsWith: function(pattern) {
    return this.indexOf(pattern) === 0;
  },

  endsWith: function(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  },

  interpolate: function(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
  },
  unescapeHTML: function() {
    return this.stripTags().replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (Object.isFunction(replacement)) return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
};

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return '';

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    });
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = {
  each: function(iterator, context) {
    var index = 0;
    try {
      this._each(function(value) {
        iterator.call(context, value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator, context) {
    var index = -number, slices = [], array = this.toArray();
    if (number < 1) return array;
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  },

  all: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator.call(context, value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator.call(context, value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator.call(context, value, index));
    });
    return results;
  },

  detect: function(iterator, context) {
    var result;
    this.each(function(value, index) {
      if (iterator.call(context, value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(filter, iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(filter);

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator.call(context, value, index));
    });
    return results;
  },

  include: function(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator, context) {
    this.each(function(value, index) {
      memo = iterator.call(context, memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator.call(context, value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator, context) {
    return this.map(function(value, index) {
      return {
        value: value,
        criteria: iterator.call(context, value, index)
      };
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
};

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  $A = function(iterable) {
    if (!iterable) return [];
    // In Safari, only use the `toArray` method if it's not a NodeList.
    // A NodeList is a function, has an function `item` property, and a numeric
    // `length` property. Adapted from Google Doctype.
    if (!(typeof iterable === 'function' && typeof iterable.length ===
        'number' && typeof iterable.item === 'function') && iterable.toArray)
      return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  };
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(Object.isArray(value) ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

  intersect: function(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  },

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
  Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
  i || (i = 0);
  var length = this.length;
  if (i < 0) i = length + i;
  for (; i < length; i++)
    if (this[i] === item) return i;
  return -1;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
  var n = this.slice(0, i).reverse().indexOf(item);
  return (n < 0) ? n : i - n - 1;
};

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator, context) {
    $R(0, this, true).each(iterator, context);
    return this;
  },

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

$w('abs round ceil floor').each(function(method){
  Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  return {
    initialize: function(object) {
      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
    },

    _each: function(iterator) {
      for (var key in this._object) {
        var value = this._object[key], pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
      }
    },

    set: function(key, value) {
      return this._object[key] = value;
    },

    get: function(key) {
      // simulating poorly supported hasOwnProperty
      if (this._object[key] !== Object.prototype[key])
        return this._object[key];
    },

    unset: function(key) {
      var value = this._object[key];
      delete this._object[key];
      return value;
    },

    toObject: function() {
      return Object.clone(this._object);
    },

    keys: function() {
      return this.pluck('key');
    },

    values: function() {
      return this.pluck('value');
    },

    index: function(value) {
      var match = this.detect(function(pair) {
        return pair.value === value;
      });
      return match && match.key;
    },

    merge: function(object) {
      return this.clone().update(object);
    },

    update: function(object) {
      return new Hash(object).inject(this, function(result, pair) {
        result.set(pair.key, pair.value);
        return result;
      });
    },

    toQueryString: function() {
      return this.inject([], function(results, pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

        if (values && typeof values == 'object') {
          if (Object.isArray(values))
            return results.concat(values.map(toQueryPair.curry(key)));
        } else results.push(toQueryPair(key, values));
        return results;
      }).join('&');
    },

    inspect: function() {
      return '#<Hash:{' + this.map(function(pair) {
        return pair.map(Object.inspect).join(': ');
      }).join(', ') + '}>';
    },

    toJSON: function() {
      return Object.toJSON(this.toObject());
    },

    clone: function() {
      return new Hash(this);
    }
  }
})());

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
};

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});

Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});

Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      // when GET, append parameters to URL
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    // user-defined headers
    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && this.isSameOrigin() && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,
  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  // DOM level 2 ECMAScript Language Binding
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}

(function() {
  var element = this.Element;
  this.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (Prototype.Browser.IE && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }
    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(this.Element, element || { });
  if (element) this.Element.prototype = element.prototype;
}).call(window);

Element.cache = { };

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    element = $(element);
    element.style.display = 'none';
    return element;
  },

  show: function(element) {
    element = $(element);
    element.style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);
    content = Object.toHTML(content);
    element.innerHTML = content.stripScripts();
    content.evalScripts.bind(content).defer();
    return element;
  },

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $(element).select("*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = element.ancestors();
    return Object.isNumber(expression) ? ancestors[expression] :
      Selector.findElement(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return element.firstDescendant();
    return Object.isNumber(expression) ? element.descendants()[expression] :
      Element.select(element, expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },

  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = element.readAttribute('id'), self = arguments.callee;
    if (id) return id;
    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
    element.writeAttribute('id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!element.hasClassName(className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return element[element.hasClassName(className) ?
      'removeClassName' : 'addClassName'](className);
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (ancestor.contains)
      return ancestor.contains(element) && ancestor !== element;

    while (element = element.parentNode)
      if (element == ancestor) return true;

    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = element.cumulativeOffset();
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value || value == 'auto') {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = element.getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (Prototype.Browser.Opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName.toUpperCase() == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return element;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'relative') return element;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

  cumulativeScrollOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    // find page position of source
    source = $(source);
    var p = source.viewportOffset();

    // find coordinate system to use
    element = $(element);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Element.Methods.identify.counter = 1;

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,
  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        case 'height': case 'width':
          // returns '0px' for hidden elements; we want it to return null
          if (!Element.visible(element)) return null;

          // returns the border-box dimensions rather than the content-box
          // dimensions, so we subtract padding and borders from the value
          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  // IE doesn't report offsets correctly for static elements, so we change them
  // to "relative" to get the values, then change them back.
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      // IE throws an error if element is not in document
      try { element.offsetParent }
      catch(e) { return $(document.body) }
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);
      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        try { element.offsetParent }
        catch(e) { return Element._returnOffset(0,0) }
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        // Trigger hasLayout on the offset parent so that IE6 reports
        // accurate offsetTop and offsetLeft values for position: fixed.
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
    function(proceed, element) {
      try { element.offsetParent }
      catch(e) { return Element._returnOffset(0,0) }
      return proceed(element);
    }
  );

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = {
    read: {
      names: {
        'class': 'className',
        'for':   'htmlFor'
      },
      values: {
        _getAttr: function(element, attribute) {
          return element.getAttribute(attribute, 2);
        },
        _getAttrNode: function(element, attribute) {
          var node = element.getAttributeNode(attribute);
          return node ? node.value : "";
        },
        _getEv: function(element, attribute) {
          attribute = element.getAttribute(attribute);
          return attribute ? attribute.toString().slice(23, -2) : null;
        },
        _flag: function(element, attribute) {
          return $(element).hasAttribute(attribute) ? attribute : null;
        },
        style: function(element) {
          return element.style.cssText.toLowerCase();
        },
        title: function(element) {
          return element.title;
        }
      }
    }
  };

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr,
      src:         v._getAttr,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);
}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if(element.tagName.toUpperCase() == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };

  // Safari returns margins on body which is incorrect if the child is absolutely
  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
  // KHTML/WebKit only.
  Element.Methods.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return Element._returnOffset(valueL, valueT);
  };
}

if (Prototype.Browser.IE || Prototype.Browser.Opera) {
  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
  Element.Methods.update = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);

    content = Object.toHTML(content);
    var tagName = element.tagName.toUpperCase();

    if (tagName in Element._insertionTranslations.tags) {
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
        .each(function(node) { element.appendChild(node) });
    }
    else element.innerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

if ('outerHTML' in document.createElement('div')) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next();
      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { div = div.firstChild });
  } else div.innerHTML = html;
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  Object.extend(this.tags, {
    THEAD: this.tags.TBODY,
    TFOOT: this.tags.TBODY,
    TH:    this.tags.TD
  });
}).call(Element._insertionTranslations);

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return !!(node && node.specified);
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

if (!Prototype.BrowserFeatures.ElementExtensions &&
    document.createElement('div')['__proto__']) {
  window.HTMLElement = { };
  window.HTMLElement.prototype = document.createElement('div')['__proto__'];
  Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.extend = (function() {
  if (Prototype.BrowserFeatures.SpecificElementExtensions)
    return Prototype.K;

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || element._extendedByPrototype ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
      tagName = element.tagName.toUpperCase(), property, value;

    // extend methods for specific tags
    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    for (property in methods) {
      value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      // extend methods for all tags (Safari doesn't need this)
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    window[klass] = { };
    window[klass].prototype = document.createElement(tagName)['__proto__'];
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};

document.viewport = {
  getDimensions: function() {
    var dimensions = { }, B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      if (B.WebKit && !document.evaluate) {
        // Safari <3.0 needs self.innerWidth/Height
        dimensions[d] = self['inner' + D];
      } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
        // Opera <9.5 needs document.body.clientWidth/Height
        dimensions[d] = document.body['client' + D]
      } else {
        dimensions[d] = document.documentElement['client' + D];
      }
    });
    return dimensions;
  },

  getWidth: function() {
    return this.getDimensions().width;
  },

  getHeight: function() {
    return this.getDimensions().height;
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
  }
};
/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();

    if (this.shouldUseSelectorsAPI()) {
      this.mode = 'selectorsAPI';
    } else if (this.shouldUseXPath()) {
      this.mode = 'xpath';
      this.compileXPathMatcher();
    } else {
      this.mode = "normal";
      this.compileMatcher();
    }

  },

  shouldUseXPath: function() {
    if (!Prototype.BrowserFeatures.XPath) return false;

    var e = this.expression;

    // Safari 3 chokes on :*-of-type and :empty
    if (Prototype.Browser.WebKit &&
     (e.include("-of-type") || e.include(":empty")))
      return false;

    // XPath can't do namespaced attributes, nor can it read
    // the "checked" property from DOM nodes
    if ((/(\[[\w-]*?:|:checked)/).test(e))
      return false;

    return true;
  },

  shouldUseSelectorsAPI: function() {
    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;

    if (!Selector._div) Selector._div = new Element('div');

    // Make sure the browser treats the selector as valid. Test on an
    // isolated element to minimize cost of this check.
    try {
      Selector._div.querySelector(this.expression);
    } catch(e) {
      return false;
    }

    return true;
  },

  compileMatcher: function() {
    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
            new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    var e = this.expression, results;

    switch (this.mode) {
      case 'selectorsAPI':
        // querySelectorAll queries document-wide, then filters to descendants
        // of the context element. That's not what we want.
        // Add an explicit context to the selector if necessary.
        if (root !== document) {
          var oldId = root.id, id = $(root).identify();
          e = "#" + id + " " + e;
        }

        results = $A(root.querySelectorAll(e)).map(Element.extend);
        root.id = oldId;

        return results;
      case 'xpath':
        return document._getElementsByXPath(this.xpath, root);
      default:
       return this.matcher(root);
    }
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          // use the Selector.assertions methods unless the selector
          // is too complex.
          if (as[i]) {
            this.tokens.push([i, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            // reluctantly do a document-wide search
            // and look for a match in the array
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
      'checked':     "[@checked]",
      'disabled':    "[(@disabled) and (@type!='hidden')]",
      'enabled':     "[not(@disabled) and (@type!='hidden')]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i in p) {
            if (m = e.match(p[i])) {
              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    // combinators must be listed first
    // (and descendant needs to be last combinator)
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    // selectors follow
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
    attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
  },

  // for Selector.match and Element#match
  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    // marks an array of nodes for counting
    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = undefined;
      return nodes;
    },

    // mark each child node with its position (for nth calls)
    // "ofType" flag indicates whether we're indexing for nth-of-type
    // rather than nth-child
    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    // filters out duplicates and extends all nodes
    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (!(n = nodes[i])._countedByPrototype) {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    // COMBINATOR FUNCTIONS
    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    // TOKEN FUNCTIONS
    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          // fastlane for ordinary descendant combinators
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!targetNode) return [];
      if (!nodes && root == document) return [targetNode];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    // handles the an+b logic
    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        // IE treats comments as element nodes
        if (node.tagName == '!' || node.firstChild) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled && (!node.type || node.type !== 'hidden'))
          results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
     '-').include('-' + (v || "").toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    // IE returns comment nodes on getElementsByTagName("*").
    // Filter them out.
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    },

    // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node.removeAttribute('_countedByPrototype');
      return nodes;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit;

    var data = elements.inject({ }, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            // a key is already present; construct an array of values
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
          elements.push(Element.extend(child));
        return elements;
      }
    );
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/

Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !['button', 'reset', 'submit'].include(element.type)))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;
var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

  inputSelector: function(element, value) {
    if (Object.isUndefined(value)) return element.checked ? element.value : null;
    else element.checked = !!value;
  },

  textarea: function(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  },

  select: function(element, value) {
    if (Object.isUndefined(value))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, currentValue, single = !Object.isArray(value);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        currentValue = this.optionValue(opt);
        if (single) {
          if (currentValue == value) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = value.include(currentValue);
      }
    }
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    // extend element because hasAttribute may not be native
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
};

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) var Event = { };

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,
  KEY_INSERT:   45,

  cache: { },

  relatedTarget: function(event) {
    var element;
    switch(event.type) {
      case 'mouseover': element = event.fromElement; break;
      case 'mouseout':  element = event.toElement;   break;
      default: return null;
    }
    return Element.extend(element);
  }
});

Event.Methods = (function() {
  var isButton;

  if (Prototype.Browser.IE) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    isButton = function(event, code) {
      return event.button == buttonMap[code];
    };

  } else if (Prototype.Browser.WebKit) {
    isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };

  } else {
    isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  return {
    isLeftClick:   function(event) { return isButton(event, 0) },
    isMiddleClick: function(event) { return isButton(event, 1) },
    isRightClick:  function(event) { return isButton(event, 2) },

    element: function(event) {
      event = Event.extend(event);

      var node          = event.target,
          type          = event.type,
          currentTarget = event.currentTarget;

      if (currentTarget && currentTarget.tagName) {
        // Firefox screws up the "click" event when moving between radio buttons
        // via arrow keys. It also screws up the "load" and "error" events on images,
        // reporting the document as the target instead of the original image.
        if (type === 'load' || type === 'error' ||
          (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
            && currentTarget.type === 'radio'))
              node = currentTarget;
      }
      if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
      return Element.extend(node);
    },

    findElement: function(event, expression) {
      var element = Event.element(event);
      if (!expression) return element;
      var elements = [element].concat(element.ancestors());
      return Selector.findElement(elements, expression, 0);
    },

    pointer: function(event) {
      var docElement = document.documentElement,
      body = document.body || { scrollLeft: 0, scrollTop: 0 };
      return {
        x: event.pageX || (event.clientX +
          (docElement.scrollLeft || body.scrollLeft) -
          (docElement.clientLeft || 0)),
        y: event.pageY || (event.clientY +
          (docElement.scrollTop || body.scrollTop) -
          (docElement.clientTop || 0))
      };
    },

    pointerX: function(event) { return Event.pointer(event).x },
    pointerY: function(event) { return Event.pointer(event).y },

    stop: function(event) {
      Event.extend(event);
      event.preventDefault();
      event.stopPropagation();
      event.stopped = true;
    }
  };
})();

Event.extend = (function() {
  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (Prototype.Browser.IE) {
    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return "[object Event]" }
    });

    return function(event) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);
      Object.extend(event, {
        target: event.srcElement,
        relatedTarget: Event.relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });
      return Object.extend(event, methods);
    };

  } else {
    Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
    Object.extend(Event.prototype, methods);
    return Prototype.K;
  }
})();

Object.extend(Event, (function() {
  var cache = Event.cache;

  function getEventID(element) {
    if (element._prototypeEventID) return element._prototypeEventID[0];
    arguments.callee.id = arguments.callee.id || 1;
    return element._prototypeEventID = [++arguments.callee.id];
  }

  function getDOMEventName(eventName) {
    if (eventName && eventName.include(':')) return "dataavailable";
    return eventName;
  }

  function getCacheForID(id) {
    return cache[id] = cache[id] || { };
  }

  function getWrappersForEventName(id, eventName) {
    var c = getCacheForID(id);
    return c[eventName] = c[eventName] || [];
  }

  function createWrapper(element, eventName, handler) {
    var id = getEventID(element);
    var c = getWrappersForEventName(id, eventName);
    if (c.pluck("handler").include(handler)) return false;

    var wrapper = function(event) {
      if (!Event || !Event.extend ||
        (event.eventName && event.eventName != eventName))
          return false;

      Event.extend(event);
      handler.call(element, event);
    };

    wrapper.handler = handler;
    c.push(wrapper);
    return wrapper;
  }

  function findWrapper(id, eventName, handler) {
    var c = getWrappersForEventName(id, eventName);
    return c.find(function(wrapper) { return wrapper.handler == handler });
  }

  function destroyWrapper(id, eventName, handler) {
    var c = getCacheForID(id);
    if (!c[eventName]) return false;
    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
  }

  function destroyCache() {
    for (var id in cache)
      for (var eventName in cache[id])
        cache[id][eventName] = null;
  }


  // Internet Explorer needs to remove event handlers on page unload
  // in order to avoid memory leaks.
  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

  // Safari has a dummy event handler on page unload so that it won't
  // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
  // object when page is returned to via the back button using its bfcache.
  if (Prototype.Browser.WebKit) {
    window.addEventListener('unload', Prototype.emptyFunction, false);
  }

  return {
    observe: function(element, eventName, handler) {
      element = $(element);
      var name = getDOMEventName(eventName);

      var wrapper = createWrapper(element, eventName, handler);
      if (!wrapper) return element;

      if (element.addEventListener) {
        element.addEventListener(name, wrapper, false);
      } else {
        element.attachEvent("on" + name, wrapper);
      }

      return element;
    },

    stopObserving: function(element, eventName, handler) {
      element = $(element);
      var id = getEventID(element), name = getDOMEventName(eventName);

      if (!handler && eventName) {
        getWrappersForEventName(id, eventName).each(function(wrapper) {
          element.stopObserving(eventName, wrapper.handler);
        });
        return element;

      } else if (!eventName) {
        Object.keys(getCacheForID(id)).each(function(eventName) {
          element.stopObserving(eventName);
        });
        return element;
      }

      var wrapper = findWrapper(id, eventName, handler);
      if (!wrapper) return element;

      if (element.removeEventListener) {
        element.removeEventListener(name, wrapper, false);
      } else {
        element.detachEvent("on" + name, wrapper);
      }

      destroyWrapper(id, eventName, handler);

      return element;
    },

    fire: function(element, eventName, memo) {
      element = $(element);
      if (element == document && document.createEvent && !element.dispatchEvent)
        element = document.documentElement;

      var event;
      if (document.createEvent) {
        event = document.createEvent("HTMLEvents");
        event.initEvent("dataavailable", true, true);
      } else {
        event = document.createEventObject();
        event.eventType = "ondataavailable";
      }

      event.eventName = eventName;
      event.memo = memo || { };

      if (document.createEvent) {
        element.dispatchEvent(event);
      } else {
        element.fireEvent(event.eventType, event);
      }

      return Event.extend(event);
    }
  };
})());

Object.extend(Event, Event.Methods);

Element.addMethods({
  fire:          Event.fire,
  observe:       Event.observe,
  stopObserving: Event.stopObserving
});

Object.extend(document, {
  fire:          Element.Methods.fire.methodize(),
  observe:       Element.Methods.observe.methodize(),
  stopObserving: Element.Methods.stopObserving.methodize(),
  loaded:        false
});

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards and John Resig. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearInterval(timer);
    document.fire("dom:loaded");
    document.loaded = true;
  }

  if (document.addEventListener) {
    if (Prototype.Browser.WebKit) {
      timer = window.setInterval(function() {
        if (/loaded|complete/.test(document.readyState))
          fireContentLoadedEvent();
      }, 0);

      Event.observe(window, "load", fireContentLoadedEvent);

    } else {
      document.addEventListener("DOMContentLoaded",
        fireContentLoadedEvent, false);
    }

  } else {
    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
    $("__onDOMContentLoaded").onreadystatechange = function() {
      if (this.readyState == "complete") {
        this.onreadystatechange = null;
        fireContentLoadedEvent();
      }
    };
  }
})();
/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  // Deprecation layer -- use newer Element methods now (1.5.2).

  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

Element.addMethods();
//////////////////////////////////////////////////////////////////////////////// // http://surpassarcade.com/shadowbox/src/adapter/shadowbox-base.js ////////////////////////////////////////////////////////////////////////////////
/**
 * A base library for Shadowbox used as a standalone (without another base
 * library/adapter combination).
 *
 * This file is part of Shadowbox.
 *
 * Shadowbox is an online media viewer application that supports all of the
 * web's most popular media publishing formats. Shadowbox is written entirely
 * in JavaScript and CSS and is highly customizable. Using Shadowbox, website
 * authors can showcase a wide assortment of media in all major browsers without
 * navigating users away from the linking page.
 *
 * Shadowbox is released under version 3.0 of the Creative Commons Attribution-
 * Noncommercial-Share Alike license. This means that it is absolutely free
 * for personal, noncommercial use provided that you 1) make attribution to the
 * author and 2) release any derivative work under the same or a similar
 * license.
 *
 * If you wish to use Shadowbox for commercial purposes, licensing information
 * can be found at http://mjijackson.com/shadowbox/.
 *
 * @author      Michael J. I. Jackson <mjijackson@gmail.com>
 * @copyright   2007-2008 Michael J. I. Jackson
 * @license     http://creativecommons.org/licenses/by-nc-sa/3.0/
 * @version     SVN: $Id: shadowbox-base.js 103 2008-06-27 06:19:21Z mjijackson $
 */

// create the Shadowbox object first
var Shadowbox = {};

Shadowbox.lib = function(){

    // local style camelizing for speed
    var styleCache = {};
    var camelRe = /(-[a-z])/gi;
    var camelFn = function(m, a){
        return a.charAt(1).toUpperCase();
    };
    var toCamel = function(style){
        var camel;
        if(!(camel = styleCache[style])){
            camel = styleCache[style] = style.replace(camelRe, camelFn);
        }
        return camel;
    };

    var view = document.defaultView;
    var alphaRe = /alpha\([^\)]*\)/gi;

    /**
     * Sets the opacity of the given element to the specified level.
     *
     * @param   {HTMLElement}   el          The element
     * @param   {Number}        opacity     The opacity to use
     * @return  void
     * @private
     * @static
     */
    var setOpacity = function(el, opacity){
        var s = el.style;
        if(window.ActiveXObject){ // IE
            s.zoom = 1; // give "layout"
            s.filter = (s.filter || '').replace(alphaRe, '') +
                (opacity == 1 ? '' : ' alpha(opacity=' + (opacity * 100) + ')');
        }else{
            s.opacity = opacity;
        }
    };

    return {

        adapter: 'standalone',

        /**
         * Gets the value of the style on the given element. This function
         * adapted from Ext.Element.getStyle().
         *
         * @param   {HTMLElement}   el      The DOM element
         * @param   {String}        style   The name of the style (e.g. margin-top)
         * @return  {mixed}                 The value of the given style
         * @public
         * @static
         */
        getStyle: function(){
            return view && view.getComputedStyle
                ? function(el, style){
                    var v, cs, camel;
                    if(style == 'float') style = 'cssFloat';
                    if(v = el.style[style]) return v;
                    if(cs = view.getComputedStyle(el, '')){
                        return cs[toCamel(style)];
                    }
                    return null;
                }
                : function(el, style){
                    var v, cs, camel;
                    if(style == 'opacity'){
                        if(typeof el.style.filter == 'string'){
                            var m = el.style.filter.match(/alpha\(opacity=(.+)\)/i);
                            if(m){
                                var fv = parseFloat(m[1]);
                                if(!isNaN(fv)) return (fv ? fv / 100 : 0);
                            }
                        }
                        return 1;
                    }else if(style == 'float'){
                        style = 'styleFloat';
                    }
                    var camel = toCamel(style);
                    if(v = el.style[camel]) return v;
                    if(cs = el.currentStyle) return cs[camel];
                    return null;
                };
        }(),

        /**
         * Sets the style on the given element to the given value. May be an
         * object to specify multiple values. This function adapted from
         * Ext.Element.setStyle().
         *
         * @param   {HTMLElement}   el      The DOM element
         * @param   {String/Object} style   The name of the style to set if a
         *                                  string, or an object of name =>
         *                                  value pairs
         * @param   {String}        value   The value to set the given style to
         * @return  void
         * @public
         * @static
         */
        setStyle: function(el, style, value){
            if(typeof style == 'string'){
                var camel = toCamel(style);
                if(camel == 'opacity'){
                    setOpacity(el, value);
                }else{
                    el.style[camel] = value;
                }
            }else{
                for(var s in style){
                    this.setStyle(el, s, style[s]);
                }
            }
        },

        /**
         * Gets a reference to the given element.
         *
         * @param   {String/HTMLElement}    el      The element to fetch
         * @return  {HTMLElement}                   A reference to the element
         * @public
         * @static
         */
        get: function(el){
            return typeof el == 'string' ? document.getElementById(el) : el;
        },

        /**
         * Removes an element from the DOM.
         *
         * @param   {HTMLElement}       el      The element to remove
         * @return  void
         * @public
         * @static
         */
        remove: function(el){
            el.parentNode.removeChild(el);
        },

        /**
         * Gets the target of the given event. The event object passed will be
         * the same object that is passed to listeners registered with
         * addEvent().
         *
         * @param   {mixed}             e       The event object
         * @return  {HTMLElement}               The event's target element
         * @public
         * @static
         */
        getTarget: function(e){
            var t = e.target ? e.target : e.srcElement;
            return t.nodeType == 3 ? t.parentNode : t;
        },

        /**
         * Gets the page X/Y coordinates of the mouse event in an [x, y] array.
         * The page coordinates should be relative to the document, and not the
         * viewport. The event object provided here will be the same object that
         * is passed to listeners registered with addEvent().
         *
         * @param   {mixed}         e       The event object
         * @return  {Array}                 The page X/Y coordinates
         * @public
         * @static
         */
        getPageXY: function(e){
            var x = e.pageX || (e.clientX +
                (document.documentElement.scrollLeft || document.body.scrollLeft));
            var y = e.pageY || (e.clientY +
                (document.documentElement.scrollTop || document.body.scrollTop));
            return [x, y];
        },

        /**
         * Prevents the event's default behavior. The event object here will
         * be the same object that is passed to listeners registered with
         * addEvent().
         *
         * @param   {mixed}             e       The event object
         * @return  void
         * @public
         * @static
         */
        preventDefault: function(e){
            if(e.preventDefault){
                e.preventDefault();
            }else{
                e.returnValue = false;
            }
        },

        /**
         * Gets the key code of the given event object (keydown). The event
         * object here will be the same object that is passed to listeners
         * registered with addEvent().
         *
         * @param   {mixed}         e       The event object
         * @return  {Number}                The key code of the event
         * @public
         * @static
         */
        keyCode: function(e){
            return e.which ? e.which : e.keyCode;
        },

        /**
         * Adds an event listener to the given element. It is expected that this
         * function will be passed the event as its first argument.
         *
         * @param   {HTMLElement}   el          The DOM element to listen to
         * @param   {String}        name        The name of the event to register
         *                                      (i.e. 'click', 'scroll', etc.)
         * @param   {Function}      handler     The event handler function
         * @return  void
         * @public
         * @static
         */
        addEvent: function(el, name, handler){
            if(el.addEventListener){
                el.addEventListener(name, handler, false);
            }else if(el.attachEvent){
                el.attachEvent('on' + name, handler);
            }
        },

        /**
         * Removes an event listener from the given element.
         *
         * @param   {HTMLElement}   el          The DOM element to stop listening to
         * @param   {String}        name        The name of the event to stop
         *                                      listening for (i.e. 'click')
         * @param   {Function}      handler     The event handler function
         * @return  void
         * @public
         * @static
         */
        removeEvent: function(el, name, handler){
            if(el.removeEventListener){
                el.removeEventListener(name, handler, false);
            }else if(el.detachEvent){
                el.detachEvent('on' + name, handler);
            }
        },

        /**
         * Appends an HTML fragment to the given element.
         *
         * @param   {HTMLElement}       el      The element to append to
         * @param   {String}            html    The HTML fragment to use
         * @return  void
         * @public
         * @static
         */
        append: function(el, html){
            if(el.insertAdjacentHTML){
                el.insertAdjacentHTML('BeforeEnd', html);
            }else if(el.lastChild){
                var range = el.ownerDocument.createRange();
                range.setStartAfter(el.lastChild);
                var frag = range.createContextualFragment(html);
                el.appendChild(frag);
            }else{
                el.innerHTML = html;
            }
        }

    };

}();
//////////////////////////////////////////////////////////////////////////////// // http://surpassarcade.com/shadowbox/src/shadowbox.js ////////////////////////////////////////////////////////////////////////////////
/**
 * The Shadowbox class.
 *
 * This file is part of Shadowbox.
 *
 * Shadowbox is an online media viewer application that supports all of the
 * web's most popular media publishing formats. Shadowbox is written entirely
 * in JavaScript and CSS and is highly customizable. Using Shadowbox, website
 * authors can showcase a wide assortment of media in all major browsers without
 * navigating users away from the linking page.
 *
 * Shadowbox is released under version 3.0 of the Creative Commons Attribution-
 * Noncommercial-Share Alike license. This means that it is absolutely free
 * for personal, noncommercial use provided that you 1) make attribution to the
 * author and 2) release any derivative work under the same or a similar
 * license.
 *
 * If you wish to use Shadowbox for commercial purposes, licensing information
 * can be found at http://mjijackson.com/shadowbox/.
 *
 * @author      Michael J. I. Jackson <mjijackson@gmail.com>
 * @copyright   2007-2008 Michael J. I. Jackson
 * @license     http://creativecommons.org/licenses/by-nc-sa/3.0/
 * @version     SVN: $Id: shadowbox.js 108 2008-07-11 04:19:01Z mjijackson $
 */

if(typeof Shadowbox == 'undefined'){
    throw 'Unable to load Shadowbox, no base library adapter found';
}

/**
 * The Shadowbox class. Used to display different media on a web page using a
 * Lightbox-like effect.
 *
 * Useful resources:
 *
 * - http://www.alistapart.com/articles/byebyeembed
 * - http://www.w3.org/TR/html401/struct/objects.html
 * - http://www.dyn-web.com/dhtml/iframes/
 * - http://www.apple.com/quicktime/player/specs.html
 * - http://www.apple.com/quicktime/tutorials/embed2.html
 * - http://www.howtocreate.co.uk/wrongWithIE/?chapter=navigator.plugins
 * - http://msdn.microsoft.com/en-us/library/ms532969.aspx
 * - http://support.microsoft.com/kb/316992
 *
 * @class       Shadowbox
 * @author      Michael J. I. Jackson <mjijackson@gmail.com>
 * @singleton
 */
(function(){

    /**
     * The current version of Shadowbox.
     *
     * @var         String
     * @private
     */
    var version = '2.0';

    /**
     * Contains the default options for Shadowbox.
     *
     * @var         Object
     * @private
     */
    var options = {

        /**
         * Enable all animations besides fades.
         *
         * @var     Boolean
         */
        animate:            true,

        /**
         * Enable fade animations.
         *
         * @var     Boolean
         */
        animateFade:        true,

        /**
         * Specifies the sequence of the height and width animations. May be
         * 'wh' (width then height), 'hw' (height then width), or 'sync' (both
         * at the same time). Of course this will only work if animate is true.
         *
         * @var     String
         */
        animSequence:       'wh',

        /**
         * The path to flvplayer.swf.
         *
         * @var     String
         */
        flvPlayer:          'flvplayer.swf',

        /**
         * Listen to the overlay for clicks. If the user clicks the overlay,
         * it will trigger Shadowbox.close().
         *
         * @var     Boolean
         */
        modal:              false,

        /**
         * The color to use for the modal overlay (in hex).
         *
         * @var     String
         */
        overlayColor:       '#000',

        /**
         * The opacity to use for the modal overlay.
         *
         * @var     Number
         */
        overlayOpacity:     0.8,

        /**
         * The default background color to use for Flash movies (in hex).
         *
         * @var     String
         */
        flashBgColor:       '#000000',

        /**
         * Automatically play movies.
         *
         * @var     Boolean
         */
        autoplayMovies:     true,

        /**
         * Enable movie controllers on movie players.
         *
         * @var     Boolean
         */
        showMovieControls:  true,

        /**
         * A delay (in seconds) to use for slideshows. If set to anything other
         * than 0, this value determines an interval at which Shadowbox will
         * automatically proceed to the next piece in the gallery.
         *
         * @var     Number
         */
        slideshowDelay:     0,

        /**
         * The duration of the resizing animations (in seconds).
         *
         * @var     Number
         */
        resizeDuration:     0.55,

        /**
         * The duration of the fading animations (in seconds).
         *
         * @var     Number
         */
        fadeDuration:       0.35,

        /**
         * Show the navigation controls.
         *
         * @var     Boolean
         */
        displayNav:         true,

        /**
         * Enable continuous galleries. When this is true, users will be able
         * to skip to the first gallery image from the last using next and vice
         * versa.
         *
         * @var     Boolean
         */
        continuous:         false,

        /**
         * Display the gallery counter.
         *
         * @var     Boolean
         */
        displayCounter:     true,

        /**
         * This option may be either 'default' or 'skip'. The default counter is
         * a simple '1 of 5' message. The skip counter displays a link for each
         * piece in the gallery that enables a user to skip directly to any
         * piece.
         *
         * @var     String
         */
        counterType:        'default',

        /**
         * Limits the number of counter links that will be displayed in a "skip"
         * style counter. If the actual number of gallery elements is greater
         * than this value, the counter will be restrained to the elements
         * immediately preceeding and following the current element.
         *
         * @var     Number
         */
        counterLimit:       10,

        /**
         * The amount of padding to maintain around the viewport edge (in
         * pixels). This only applies when the image is very large and takes up
         * the entire viewport.
         *
         * @var     Number
         */
        viewportPadding:    20,

        /**
         * How to handle content that is too large to display in its entirety
         * (and is resizable). A value of 'resize' will resize the content while
         * preserving aspect ratio and display it at the smaller resolution. If
         * the content is an image, a value of 'drag' will display the image at
         * its original resolution but it will be draggable within Shadowbox. A
         * value of 'none' will display the content at its original resolution
         * but it may be cropped.
         *
         * @var     String
         */
        handleOversize:     'resize',

        /**
         * An exception handling function that will be called whenever
         * Shadowbox should throw an exception. Will be passed the error
         * message as its first argument.
         *
         * @var     Function
         */
        handleException:    null,

        /**
         * The mode to use when handling unsupported media. May be either
         * 'remove' or 'link'. If it is 'remove', the unsupported gallery item
         * will merely be removed from the gallery. If it is the only item in
         * the gallery, the link will simply be followed. If it is 'link', a
         * link will be provided to the appropriate plugin page in place of the
         * gallery element.
         *
         * @var     String
         */
        handleUnsupported:  'link',

        /**
         * The initial height of Shadowbox (in pixels).
         *
         * @var     Number
         */
        initialHeight:      160,

        /**
         * The initial width of Shadowbox (in pixels).
         *
         * @var     Number
         */
        initialWidth:       320,

        /**
         * Enable keyboard control.
         *
         * @var     Boolean
         */
        enableKeys:         true,

        /**
         * A hook function to be fired when Shadowbox opens. The single argument
         * will be the current gallery element.
         *
         * @var     Function
         */
        onOpen:             null,

        /**
         * A hook function to be fired when Shadowbox finishes loading its
         * content. The single argument will be the current gallery element on
         * display.
         *
         * @var     Function
         */
        onFinish:           null,

        /**
         * A hook function to be fired when Shadowbox changes from one gallery
         * element to the next. The single argument will be the current gallery
         * element that is about to be displayed.
         *
         * @var     Function
         */
        onChange:           null,

        /**
         * A hook function that will be fired when Shadowbox closes. The single
         * argument will be the gallery element most recently displayed.
         *
         * @var     Function
         */
        onClose:            null,

        /**
         * Skips calling Shadowbox.setup() in init(). This means that it must
         * be called later manually.
         *
         * @var     Boolean
         */
        skipSetup:          false,

        /**
         * An object containing names of plugins and links to their respective
         * download pages.
         *
         * @var     Object
         */
        errors:         {

            fla:        {
                name:   'Flash',
                url:    'http://www.adobe.com/products/flashplayer/'
            },

            qt:         {
                name:   'QuickTime',
                url:    'http://www.apple.com/quicktime/download/'
            },

            wmp:        {
                name:   'Windows Media Player',
                url:    'http://www.microsoft.com/windows/windowsmedia/'
            },

            f4m:        {
                name:   'Flip4Mac',
                url:    'http://www.flip4mac.com/wmv_download.htm'
            }

        },

        /**
         * A map of players to the file extensions they support. Each member of
         * this object is the name of a player (with one exception), whose value
         * is an array of file extensions that player will "play". The one
         * exception to this rule is the "qtwmp" member, which contains extensions
         * that may be played using either QuickTime or Windows Media Player.
         *
         * - img: Image file extensions
         * - swf: Flash SWF file extensions
         * - flv: Flash video file extensions (will be played by JW FLV player)
         * - qt: Movie file extensions supported by QuickTime
         * - wmp: Movie file extensions supported by Windows Media Player
         * - qtwmp: Movie file extensions supported by both QuickTime and Windows Media Player
         * - iframe: File extensions that will be display in an iframe
         *
         * IMPORTANT: If this object is to be modified, it must be copied in its
         * entirety and tweaked because it is not merged recursively with the
         * default. Also, any modifications must be passed into Shadowbox.init
         * for speed reasons.
         *
         * @var     Object      ext
         */
        ext:     {
            img:        ['png', 'jpg', 'jpeg', 'gif', 'bmp'],
            swf:        ['swf'],
            flv:        ['flv'],
            qt:         ['dv', 'mov', 'moov', 'movie', 'mp4'],
            wmp:        ['asf', 'wm', 'wmv'],
            qtwmp:      ['avi', 'mpg', 'mpeg'],
            iframe:     ['asp', 'aspx', 'cgi', 'cfm', 'htm', 'html', 'pl', 'php',
                        'php3', 'php4', 'php5', 'phtml', 'rb', 'rhtml', 'shtml',
                        'txt', 'vbs']
        }

    };

    // shorthand
    var SB = Shadowbox;
    var SL = SB.lib;

    /**
     * Stores the default set of options in case a custom set of options is used
     * on a link-by-link basis so we can restore them later.
     *
     * @var         Object
     * @private
     */
    var default_options;

    /**
     * An object containing some regular expressions we'll need later. Compiled
     * up front for speed.
     *
     * @var         Object
     * @private
     */
    var RE = {
        domain:         /:\/\/(.*?)[:\/]/, // domain prefix
        inline:         /#(.+)$/, // inline element id
        rel:            /^(light|shadow)box/i, // rel attribute format
        gallery:        /^(light|shadow)box\[(.*?)\]/i, // rel attribute format for gallery link
        unsupported:    /^unsupported-(\w+)/, // unsupported media type
        param:          /\s*([a-z_]*?)\s*=\s*(.+)\s*/, // rel string parameter
        empty:          /^(?:br|frame|hr|img|input|link|meta|range|spacer|wbr|area|param|col)$/i // elements that don't have children
    };

    /**
     * A cache of options for links that have been set up for use with
     * Shadowbox.
     *
     * @var         Array
     * @private
     */
    var cache = [];

    /**
     * An array containing the gallery objects currently being viewed. In the
     * case of non-gallery items, this will only hold one object.
     *
     * @var         Array
     * @private
     */
    var gallery;

    /**
     * The array index of the current gallery that is currently being viewed.
     *
     * @var         Number
     * @private
     */
    var current;

    /**
     * The current content object.
     *
     * @var         Object
     * @private
     */
    var content;

    /**
     * The id to use for content objects.
     *
     * @var         String
     * @private
     */
    var content_id = 'shadowbox_content';

    /**
     * Holds the current dimensions of Shadowbox as calculated by
     * setDimensions(). Contains the following properties:
     *
     * - height: The total height of #shadowbox
     * - width: The total width of #shadowbox
     * - inner_h: The height of #shadowbox_body
     * - inner_w: The width of #shadowbox_body
     * - top: The top to use for #shadowbox
     * - resize_h: The height to use for resizable content
     * - resize_w: The width to use for resizable content
     * - drag: True if dragging should be enabled (oversized image)
     *
     * @var         Object
     * @private
     */
    var dims;

    /**
     * Keeps track of whether or not Shadowbox has been initialized. We never
     * want to initialize twice.
     *
     * @var         Boolean
     * @private
     */
    var initialized = false;

    /**
     * Keeps track of whether or not Shadowbox is activated.
     *
     * @var         Boolean
     * @private
     */
    var activated = false;

    /**
     * The timeout id for the slideshow transition function.
     *
     * @var         Number
     * @private
     */
    var slide_timer;

    /**
     * Keeps track of the time at which the current slideshow frame was
     * displayed.
     *
     * @var         Number
     * @private
     */
    var slide_start;

    /**
     * The delay on which the next slide will display.
     *
     * @var         Number
     * @private
     */
    var slide_delay = 0;

    /**
     * These parameters for simple browser detection. Adapted from Ext.js.
     *
     * @var         Object
     * @private
     */
    var ua = navigator.userAgent.toLowerCase();
    var client = {
        isStrict:   document.compatMode == 'CSS1Compat',
        isOpera:    ua.indexOf('opera') > -1,
        isIE:       ua.indexOf('msie') > -1,
        isIE7:      ua.indexOf('msie 7') > -1,
        isSafari:   /webkit|khtml/.test(ua),
        isWindows:  ua.indexOf('windows') != -1 || ua.indexOf('win32') != -1,
        isMac:      ua.indexOf('macintosh') != -1 || ua.indexOf('mac os x') != -1,
        isLinux:    ua.indexOf('linux') != -1
    };
    client.isBorderBox = client.isIE && !client.isStrict;
    client.isSafari3 = client.isSafari && !!(document.evaluate);
    client.isGecko = ua.indexOf('gecko') != -1 && !client.isSafari;

    /**
     * You're not sill using IE6 are you?
     *
     * @var         Boolean
     * @private
     */
    var ltIE7 = client.isIE && !client.isIE7;

    /**
     * Contains plugin support information. Each property of this object is a
     * boolean indicating whether that plugin is supported.
     *
     * - fla: Flash player
     * - qt: QuickTime player
     * - wmp: Windows Media player
     * - f4m: Flip4Mac plugin
     *
     * @var         Object
     * @private
     */
    var plugins;

    // detect plugin support
    if(navigator.plugins && navigator.plugins.length){
        var detectPlugin = function(plugin_name){
            var detected = false;
            for (var i = 0, len = navigator.plugins.length; i < len; ++i){
                if(navigator.plugins[i].name.indexOf(plugin_name) > -1){
                    detected = true;
                    break;
                }
            }
            return detected;
        };
        var f4m = detectPlugin('Flip4Mac');
        plugins = {
            fla:    detectPlugin('Shockwave Flash'),
            qt:     detectPlugin('QuickTime'),
            wmp:    !f4m && detectPlugin('Windows Media'), // if it's Flip4Mac, it's not really WMP
            f4m:    f4m
        };
    }else{
        var detectPlugin = function(plugin_name){
            var detected = false;
            try{
                var axo = new ActiveXObject(plugin_name);
                if(axo) detected = true;
            }catch(e){}
            return detected;
        };
        plugins = {
            fla:    detectPlugin('ShockwaveFlash.ShockwaveFlash'),
            qt:     detectPlugin('QuickTime.QuickTime'),
            wmp:    detectPlugin('wmplayer.ocx'),
            f4m:    false
        };
    }

    /**
     * Applies all properties of e to o.
     *
     * @param   Object      o       The original object
     * @param   Object      e       The extension object
     * @return  Object              The original object with all properties
     *                              of the extension object applied
     * @private
     */
    var apply = function(o, e){
        for(var p in e) o[p] = e[p];
        return o;
    };

    /**
     * Determines if the given object is an anchor/area element.
     *
     * @param   mixed       el      The object to check
     * @return  Boolean             True if the object is a link element
     * @private
     */
    var isLink = function(el){
        return el && typeof el.tagName == 'string' && (el.tagName.toUpperCase() == 'A' || el.tagName.toUpperCase() == 'AREA');
    };

    /**
     * Gets the height of the viewport in pixels. Note: This function includes
     * scrollbars in Safari 3.
     *
     * @return  Number          The height of the viewport
     * @public
     * @static
     */
    SL.getViewportHeight = function(){
        var h = window.innerHeight; // Safari
        var mode = document.compatMode;
        if((mode || client.isIE) && !client.isOpera){
            h = client.isStrict ? document.documentElement.clientHeight : document.body.clientHeight;
        }
        return h;
    };

    /**
     * Gets the width of the viewport in pixels. Note: This function includes
     * scrollbars in Safari 3.
     *
     * @return  Number          The width of the viewport
     * @public
     * @static
     */
    SL.getViewportWidth = function(){
        var w = window.innerWidth; // Safari
        var mode = document.compatMode;
        if(mode || client.isIE){
            w = client.isStrict ? document.documentElement.clientWidth : document.body.clientWidth;
        }
        return w;
    };

    /**
     * Creates an HTML string from an object representing HTML elements. Based
     * on Ext.DomHelper's createHtml.
     *
     * @param   Object      obj     The HTML definition object
     * @return  String              An HTML string
     * @public
     * @static
     */
    SL.createHTML = function(obj){
        var html = '<' + obj.tag;
        for(var attr in obj){
            if(attr == 'tag' || attr == 'html' || attr == 'children') continue;
            if(attr == 'cls'){
                html += ' class="' + obj['cls'] + '"';
            }else{
                html += ' ' + attr + '="' + obj[attr] + '"';
            }
        }
        if(RE.empty.test(obj.tag)){
            html += '/>';
        }else{
            html += '>';
            var cn = obj.children;
            if(cn){
                for(var i = 0, len = cn.length; i < len; ++i){
                    html += this.createHTML(cn[i]);
                }
            }
            if(obj.html) html += obj.html;
            html += '</' + obj.tag + '>';
        }
        return html;
    };

    /**
     * Easing function used for animations. Based on a cubic polynomial.
     *
     * @param   Number      x       The state of the animation (% complete)
     * @return  Number              The adjusted easing value
     * @private
     * @static
     */
    var ease = function(x){
        return 1 + Math.pow(x - 1, 3);
    };

    /**
     * Animates any numeric (not color) style of the given element from its
     * current state to the given value. Defaults to using pixel-based
     * measurements.
     *
     * @param   HTMLElement     el      The DOM element to animate
     * @param   String          p       The property to animate (in camelCase)
     * @param   mixed           to      The value to animate to
     * @param   Number          d       The duration of the animation (in
     *                                  seconds)
     * @param   Function        cb      A callback function to call when the
     *                                  animation completes
     * @return  void
     * @private
     * @static
     */
    var animate = function(el, p, to, d, cb){
        var from = parseFloat(SL.getStyle(el, p));
        if(isNaN(from)) from = 0;

        if(from == to){
            if(typeof cb == 'function') cb();
            return; // nothing to animate
        }

        var delta = to - from;
        var op = p == 'opacity';
        var unit = op ? '' : 'px'; // default unit is px
        var fn = function(ease){
            SL.setStyle(el, p, from + ease * delta + unit);
        };

        // cancel the animation here if set in the options
        if(!options.animate && !op || op && !options.animateFade){
            fn(1);
            if(typeof cb == 'function') cb();
            return;
        }

        d *= 1000; // convert to milliseconds
        var begin = new Date().getTime();
        var end = begin + d;

        var timer = setInterval(function(){
            var time = new Date().getTime();
            if(time >= end){ // end of animation
                clearInterval(timer);
                fn(1);
                if(typeof cb == 'function') cb();
            }else{
                fn(ease((time - begin) / d));
            }
        }, 10); // 10 ms interval is minimum on WebKit
    };

    /**
     * A utility function used by the fade functions to clear the opacity
     * style setting of the given element. Required in some cases for IE.
     *
     * @param   HTMLElement     el      The DOM element
     * @return  void
     * @private
     */
    var clearOpacity = function(el){
        var s = el.style;
        if(client.isIE){
            if(typeof s.filter == 'string' && (/alpha/i).test(s.filter)){
                // careful not to overwrite other filters!
                s.filter = s.filter.replace(/[\w\.]*alpha\(.*?\);?/i, '');
            }
        }else{
            s.opacity = '';
            s['-moz-opacity'] = '';
            s['-khtml-opacity'] = '';
        }
    };

    /**
     * Gets the computed height of the given element, including padding and
     * borders.
     *
     * @param   HTMLElement     el  The element
     * @return  Number              The computed height of the element
     * @private
     */
    var getComputedHeight = function(el){
        var h = Math.max(el.offsetHeight, el.clientHeight);
        if(!h){
            h = parseInt(SL.getStyle(el, 'height'), 10) || 0;
            if(!client.isBorderBox){
                h += parseInt(SL.getStyle(el, 'padding-top'), 10)
                    + parseInt(SL.getStyle(el, 'padding-bottom'), 10)
                    + parseInt(SL.getStyle(el, 'border-top-width'), 10)
                    + parseInt(SL.getStyle(el, 'border-bottom-width'), 10);
            }
        }
        return h;
    };

    /**
     * Determines the player needed to display the file at the given URL. If
     * the file type is not supported, the return value will be 'unsupported'.
     * If the file type is not supported but the correct player can be
     * determined, the return value will be 'unsupported-*' where * will be the
     * player abbreviation (e.g. 'qt' = QuickTime).
     *
     * @param   String          url     The url of the file
     * @return  String                  The name of the player to use
     * @private
     */
    var getPlayer = function(url){
        var m = url.match(RE.domain);
        var d = m && document.domain == m[1]; // same domain
        if(url.indexOf('#') > -1 && d) return 'inline';
        var q = url.indexOf('?');
        if(q > -1) url = url.substring(0, q); // strip query string for player detection purposes
        if(RE.img.test(url)) return 'img';
        if(RE.swf.test(url)) return plugins.fla ? 'swf' : 'unsupported-swf';
        if(RE.flv.test(url)) return plugins.fla ? 'flv' : 'unsupported-flv';
        if(RE.qt.test(url)) return plugins.qt ? 'qt' : 'unsupported-qt';
        if(RE.wmp.test(url)){
            if(plugins.wmp) return 'wmp';
            if(plugins.f4m) return 'qt';
            if(client.isMac) return plugins.qt ? 'unsupported-f4m' : 'unsupported-qtf4m';
            return 'unsupported-wmp';
        }else if(RE.qtwmp.test(url)){
            if(plugins.qt) return 'qt';
            if(plugins.wmp) return 'wmp';
            return client.isMac ? 'unsupported-qt' : 'unsupported-qtwmp';
        }else if(!d || RE.iframe.test(url)){
            return 'iframe';
        }
        return 'unsupported'; // same domain, not supported
    };

    /**
     * Handles all clicks on links that have been set up to work with Shadowbox
     * and cancels the default event behavior when appropriate.
     *
     * @param   {Event}         ev          The click event object
     * @return  void
     * @private
     */
    var handleClick = function(ev){
        // get anchor/area element
        var link;
        if(isLink(this)){
            link = this; // jQuery, Prototype, YUI
        }else{
            link = SL.getTarget(ev); // Ext, standalone
            while(!isLink(link) && link.parentNode){
                link = link.parentNode;
            }
        }

        //SL.preventDefault(ev); // good for debugging

        if(link){
            SB.open(link);
            if(gallery.length) SL.preventDefault(ev); // stop event
        }
    };

    /**
     * Toggles the display of the nav control with the given id on and off.
     *
     * @param   String      id      The id of the navigation control
     * @param   Boolean     on      True to toggle on, false to toggle off
     * @return  void
     * @private
     */
    var toggleNav = function(id, on){
        var el = SL.get('shadowbox_nav_' + id);
        if(el) el.style.display = on ? '' : 'none';
    };

    /**
     * Builds the content for the title and information bars.
     *
     * @param   Function    cb      A callback function to execute after the
     *                              bars are built
     * @return  void
     * @private
     */
    var buildBars = function(cb){
        var obj = gallery[current];
        var title_i = SL.get('shadowbox_title_inner');

        // build the title
        title_i.innerHTML = obj.title || '';

        // build the nav
        var nav = SL.get('shadowbox_nav');
        if(nav){
            var c, n, pl, pa, p;

            // need to build the nav?
            if(options.displayNav){
                c = true;
                // next & previous links
                var len = gallery.length;
                if(len > 1){
                    if(options.continuous){
                        n = p = true; // show both
                    }else{
                        n = (len - 1) > current; // not last in gallery, show next
                        p = current > 0; // not first in gallery, show previous
                    }
                }
                // in a slideshow?
                if(options.slideshowDelay > 0 && hasNext()){
                    pa = slide_timer != 'paused';
                    pl = !pa;
                }
            }else{
                c = n = pl = pa = p = false;
            }

            toggleNav('close', c);
            toggleNav('next', n);
            toggleNav('play', pl);
            toggleNav('pause', pa);
            toggleNav('previous', p);
        }

        // build the counter
        var counter = SL.get('shadowbox_counter');
        if(counter){
            var co = '';

            // need to build the counter?
            if(options.displayCounter && gallery.length > 1){
                if(options.counterType == 'skip'){
                    // limit the counter?
                    var i = 0, len = gallery.length, end = len;
                    var limit = parseInt(options.counterLimit);
                    if(limit < len){ // support large galleries
                        var h = Math.round(limit / 2);
                        i = current - h;
                        if(i < 0) i += len;
                        end = current + (limit - h);
                        if(end > len) end -= len;
                    }
                    while(i != end){
                        if(i == len) i = 0;
                        co += '<a onclick="Shadowbox.change(' + i + ');"';
                        if(i == current) co += ' class="shadowbox_counter_current"';
                        co += '>' + (++i) + '</a>';
                    }
                }else{ // default
                    co = (current + 1) + ' ' + SB.LANG.of + ' ' + len;
                }
            }

            counter.innerHTML = co;
        }

        cb();
    };

    /**
     * Hides the title and info bars.
     *
     * @param   Boolean     anim    True to animate the transition
     * @param   Function    cb      A callback function to execute after the
     *                              animation completes
     * @return  void
     * @private
     */
    var hideBars = function(anim, cb){
        var obj = gallery[current];
        var title = SL.get('shadowbox_title');
        var info = SL.get('shadowbox_info');
        var title_i = SL.get('shadowbox_title_inner');
        var info_i = SL.get('shadowbox_info_inner');

        // build bars after they are hidden
        var fn = function(){
            buildBars(cb);
        };

        var title_h = getComputedHeight(title);
        var info_h = getComputedHeight(info) * -1;
        if(anim){
            // animate the transition
            animate(title_i, 'margin-top', title_h, 0.35);
            animate(info_i, 'margin-top', info_h, 0.35, fn);
        }else{
            SL.setStyle(title_i, 'margin-top', title_h + 'px');
            SL.setStyle(info_i, 'margin-top', info_h + 'px');
            fn();
        }
    };

    /**
     * Shows the title and info bars.
     *
     * @param   Function    cb      A callback function to execute after the
     *                              animation completes
     * @return  void
     * @private
     */
    var showBars = function(cb){
        var title_i = SL.get('shadowbox_title_inner');
        var info_i = SL.get('shadowbox_info_inner');
        var t = title_i.innerHTML != ''; // is there a title to display?

        if(t) animate(title_i, 'margin-top', 0, 0.35);
        animate(info_i, 'margin-top', 0, 0.35, cb);
    };

    /**
     * Loads the Shadowbox with the current piece.
     *
     * @return  void
     * @private
     */
    var loadContent = function(){
        var obj = gallery[current];
        if(!obj) return; // invalid

        var changing = false;
        if(content){
            content.remove(); // remove old content first
            changing = true; // changing from some previous content
        }

        // determine player, inline is really just HTML
        var p = obj.player == 'inline' ? 'html' : obj.player;

        // make sure player is loaded
        if(typeof SB[p] != 'function'){
            SB.raise('Unknown player ' + obj.player);
        }
        content = new SB[p](content_id, obj); // instantiate new content object

        listenKeys(false); // disable the keyboard temporarily
        toggleLoading(true);

        hideBars(changing, function(){ // if changing, animate the bars transition
            if(!content) return;

            // if opening, clear #shadowbox display
            if(!changing){
                 SL.get('shadowbox').style.display = '';
            }

            var fn = function(){
                resizeContent(function(){
                    if(!content) return;


                    showBars(function(){
                        if(!content) return;

                        // append content just before hiding the loading layer
                        SL.get('shadowbox_body_inner').innerHTML = SL.createHTML(content.markup(dims));

                        toggleLoading(false, function(){
                            if(!content) return;

                            if(typeof content.onLoad == 'function'){
                                content.onLoad(); // call onLoad callback if present
                            }
                            if(options.onFinish && typeof options.onFinish == 'function'){
                                options.onFinish(gallery[current]); // fire onFinish handler
                            }
                            if(slide_timer != 'paused'){
                                SB.play(); // kick off next slide
                            }
                            listenKeys(true); // re-enable the keyboard
                        });
                    });
                });
            };

            if(typeof content.ready != 'undefined'){ // does the object have a ready property?
                var id = setInterval(function(){ // if so, wait for the object to be ready
                    if(content){
                        if(content.ready){
                            clearInterval(id); // clean up
                            id = null;
                            fn();
                        }
                    }else{ // content has been removed
                        clearInterval(id);
                        id = null;
                    }
                }, 100);
            }else{
                fn();
            }
        });

        // preload neighboring gallery images
        if(gallery.length > 1){
            var next = gallery[current + 1] || gallery[0];
            if(next.player == 'img'){
                var a = new Image();
                a.src = next.content;
            }
            var prev = gallery[current - 1] || gallery[gallery.length - 1];
            if(prev.player == 'img'){
                var b = new Image();
                b.src = prev.content;
            }
        }
    };

    /**
     * Calculates the dimensions for Shadowbox, taking into account the borders
     * and surrounding elements of the shadowbox_body. If the height/width
     * combination is too large for Shadowbox and handleOversize option is set
     * to 'resize', the resized dimensions will be returned (preserving the
     * original aspect ratio). Otherwise, the originally calculated dimensions
     * will be used. Stores all dimensions in the private dims variable.
     *
     * @param   Number      height      The content player height
     * @param   Number      width       The content player width
     * @param   Boolean     resizable   True if the content is able to be
     *                                  resized. Defaults to false.
     * @return  void
     * @private
     */
    var setDimensions = function(height, width, resizable){
        resizable = resizable || false;

        var sb = SL.get('shadowbox_body');
        var h = height = parseInt(height);
        var w = width = parseInt(width);
        var view_h = SL.getViewportHeight();
        var view_w = SL.getViewportWidth();

        // calculate the max width
        var border_w = parseInt(SL.getStyle(sb, 'border-left-width'), 10)
            + parseInt(SL.getStyle(sb, 'border-right-width'), 10);
        var extra_w = border_w + 2 * options.viewportPadding;
        if(w + extra_w >= view_w){
            w = view_w - extra_w;
        }

        // calculate the max height
        var border_h = parseInt(SL.getStyle(sb, 'border-top-width'), 10)
            + parseInt(SL.getStyle(sb, 'border-bottom-width'), 10);
        var bar_h = getComputedHeight(SL.get('shadowbox_title'))
            + getComputedHeight(SL.get('shadowbox_info'));
        var extra_h = border_h + 2 * options.viewportPadding + bar_h;
        if(h + extra_h >= view_h){
            h = view_h - extra_h;
        }

        // handle oversized content
        var drag = false;
        var resize_h = height;
        var resize_w = width;
        var handle = options.handleOversize;
        if(resizable && (handle == 'resize' || handle == 'drag')){
            var change_h = (height - h) / height;
            var change_w = (width - w) / width;
            if(handle == 'resize'){
                if(change_h > change_w){
                    w = Math.round((width / height) * h);
                }else if(change_w > change_h){
                    h = Math.round((height / width) * w);
                }
                // adjust resized height or width accordingly
                resize_w = w;
                resize_h = h;
            }else{
                // drag on oversized images only
                var link = gallery[current];
                if(link) drag = link.player == 'img' && (change_h > 0 || change_w > 0);
            }
        }

        // update dims
        dims = {
            height:     h + border_h + bar_h,
            width:      w + border_w,
            inner_h:    h,
            inner_w:    w,
            top:        (view_h - (h + extra_h)) / 2 + options.viewportPadding,
            resize_h:   resize_h,
            resize_w:   resize_w,
            drag:       drag
        };
    };

    /**
     * Resizes Shadowbox to the given height and width. If the callback
     * parameter is given, the transition will be animated and the callback
     * function will be called when the animation completes. Note: The private
     * content variable must be updated before calling this function.
     *
     * @param   Function    cb      A callback function to execute after the
     *                              content has been resized
     * @return  void
     * @private
     */
    var resizeContent = function(cb){
        if(!content) return; // no content

        // set new dimensions
        setDimensions(content.height, content.width, content.resizable);

        if(cb){
            switch(options.animSequence){
                case 'hw':
                    adjustHeight(dims.inner_h, dims.top, true, function(){
                        adjustWidth(dims.width, true, cb);
                    });
                    break;
                case 'wh':
                    adjustWidth(dims.width, true, function(){
                        adjustHeight(dims.inner_h, dims.top, true, cb);
                    });
                    break;
                case 'sync':
                default:
                    adjustWidth(dims.width, true);
                    adjustHeight(dims.inner_h, dims.top, true, cb);
            }
        }else{ // window resize
            adjustWidth(dims.width, false);
            adjustHeight(dims.inner_h, dims.top, false);
            var c = SL.get(content_id);
            if(c){
                // resize resizable content when in resize mode
                if(content.resizable && options.handleOversize == 'resize'){
                    c.height = dims.resize_h;
                    c.width = dims.resize_w;
                }
                // fix draggable positioning if enlarging viewport
                if(gallery[current].player == 'img' && options.handleOversize == 'drag'){
                    var top = parseInt(SL.getStyle(c, 'top'));
                    if(top + content.height < dims.inner_h){
                        SL.setStyle(c, 'top', dims.inner_h - content.height + 'px');
                    }
                    var left = parseInt(SL.getStyle(c, 'left'));
                    if(left + content.width < dims.inner_w){
                        SL.setStyle(c, 'left', dims.inner_w - content.width + 'px');
                    }
                }
            }
        }
    };

    /**
     * Adjusts the height of #shadowbox_body and centers #shadowbox vertically
     * in the viewport.
     *
     * @param   Number      height      The height to use for #shadowbox_body
     * @param   Number      top         The top to use for #shadowbox
     * @param   Boolean     anim        True to animate the transition
     * @param   Function    cb          A callback to use when the animation
     *                                  completes
     * @return  void
     * @private
     */
    var adjustHeight = function(height, top, anim, cb){
        height = parseInt(height);

        // adjust the height
        var sb = SL.get('shadowbox_body');
        if(anim){
            animate(sb, 'height', height, options.resizeDuration);
        }else{
            SL.setStyle(sb, 'height', height + 'px');
        }

        // adjust the top
        var s = SL.get('shadowbox');
        if(anim){
            animate(s, 'top', top, options.resizeDuration, cb);
        }else{
            SL.setStyle(s, 'top', top + 'px');
            if(typeof cb == 'function') cb();
        }
    };

    /**
     * Adjusts the width of #shadowbox.
     *
     * @param   Number      width       The width to use for #shadowbox
     * @param   Boolean     anim        True to animate the transition
     * @param   Function    cb          A callback to use when the animation
     *                                  completes
     * @return  void
     * @private
     */
    var adjustWidth = function(width, anim, cb){
        width = parseInt(width);

        // adjust the width
        var s = SL.get('shadowbox');
        if(anim){
            animate(s, 'width', width, options.resizeDuration, cb);
        }else{
            SL.setStyle(s, 'width', width + 'px');
            if(typeof cb == 'function') cb();
        }
    };

    /**
     * Sets up a listener on the document for keystrokes.
     *
     * @param   Boolean     on      True to enable the listener, false to turn
     *                              it off
     * @return  void
     * @private
     */
    var listenKeys = function(on){
        if(!options.enableKeys) return;
        SL[(on ? 'add' : 'remove') + 'Event'](document, 'keydown', handleKey);
    };

    /**
     * A listener function that is fired when a key is pressed.
     *
     * @param   mixed       e       The event object
     * @return  void
     * @private
     */
    var handleKey = function(e){
        var code = SL.keyCode(e);

        // attempt to prevent default key action
        SL.preventDefault(e);

        if(code == 81 || code == 88 || code == 27){ // q, x, or esc
            SB.close();
        }else if(code == 37){ // left arrow
            SB.previous();
        }else if(code == 39){ // right arrow
            SB.next();
        }else if(code == 32){ // space bar
            SB[(typeof slide_timer == 'number' ? 'pause' : 'play')]();
        }
    };

    /**
     * Toggles the visibility of the "loading" layer.
     *
     * @param   Boolean     on      True to toggle on, false to toggle off
     * @param   Function    cb      The callback function to call when toggling
     *                              completes
     * @return  void
     * @private
     */
    var toggleLoading = function(on, cb){
        var loading = SL.get('shadowbox_loading');
        if(on){
            loading.style.display = '';
            if(typeof cb == 'function') cb();
        }else{
            var p = gallery[current].player;
            var anim = (p == 'img' || p == 'html'); // fade on images & html
            var fn = function(){
                loading.style.display = 'none';
                clearOpacity(loading);
                if(typeof cb == 'function') cb();
            };
            if(anim){
                animate(loading, 'opacity', 0, options.fadeDuration, fn);
            }else{
                fn();
            }
        }
    };

    /**
     * Sets the top of the container element. This is only necessary in IE6
     * where the container uses absolute positioning instead of fixed.
     *
     * @return  void
     * @private
     */
    var fixTop = function(){
        SL.get('shadowbox_container').style.top = document.documentElement.scrollTop + 'px';
    };

    /**
     * Sets the height of the overlay element to the full viewport height. This
     * is only necessary in IE6 where the container uses absolute positioning
     * instead of fixed, thus restricting the size of the overlay element.
     *
     * @return  void
     * @private
     */
    var fixHeight = function(){
        SL.get('shadowbox_overlay').style.height = SL.getViewportHeight() + 'px';
    };

    /**
     * Determines if there is a next piece to display in the current gallery.
     *
     * @return  bool            True if there is another piece, false otherwise
     * @private
     */
    var hasNext = function(){
        return gallery.length > 1 && (current != gallery.length - 1 || options.continuous);
    };

    /**
     * Toggles the visibility of #shadowbox_container and sets its size (if on
     * IE6). Also toggles the visibility of elements (<select>, <object>, and
     * <embed>) that are troublesome for semi-transparent modal overlays. IE has
     * problems with <select> elements, while Firefox has trouble with
     * <object>s.
     *
     * @param   Function    cb      A callback to call after toggling on, absent
     *                              when toggling off
     * @return  void
     * @private
     */
    var toggleVisible = function(cb){
        var els, v = (cb) ? 'hidden' : 'visible';
        var hide = ['select', 'object', 'embed']; // tags to hide
        for(var i = 0; i < hide.length; ++i){
            els = document.getElementsByTagName(hide[i]);
            for(var j = 0, len = els.length; j < len; ++j){
                els[j].style.visibility = v;
            }
        }

        // resize & show container
        var so = SL.get('shadowbox_overlay');
        var sc = SL.get('shadowbox_container');
        var sb = SL.get('shadowbox');
        if(cb){
            // set overlay color/opacity
            SL.setStyle(so, {
                backgroundColor: options.overlayColor,
                opacity: 0
            });
            if(!options.modal) SL.addEvent(so, 'click', SB.close);
            if(ltIE7){
                // fix container top & overlay height before showing
                fixTop();
                fixHeight();
                SL.addEvent(window, 'scroll', fixTop);
            }

            // fade in animation
            sb.style.display = 'none'; // will be cleared in loadContent()
            sc.style.visibility = 'visible';
            animate(so, 'opacity', parseFloat(options.overlayOpacity), options.fadeDuration, cb);
        }else{
            SL.removeEvent(so, 'click', SB.close);
            if(ltIE7) SL.removeEvent(window, 'scroll', fixTop);

            // fade out effect
            sb.style.display = 'none';
            animate(so, 'opacity', 0, options.fadeDuration, function(){
                sc.style.visibility = 'hidden';
                sb.style.display = '';
                clearOpacity(so);
            });
        }
    };

    /**
     * Initializes the Shadowbox environment. Loads the skin (if necessary),
     * compiles the player matching regular expressions, and sets up the
     * window resize listener.
     *
     * @param   Object      opts    (optional) The default options to use
     * @return  void
     * @public
     * @static
     */
    Shadowbox.init = function(opts){
        // don't initialize twice
        if(initialized) return;

        // make sure language is loaded
        if(typeof SB.LANG == 'undefined'){
            SB.raise('No Shadowbox language loaded');
            return;
        }
        // make sure skin is loaded
        if(typeof SB.SKIN == 'undefined'){
            SB.raise('No Shadowbox skin loaded');
            return;
        }

        // apply custom options
        apply(options, opts || {});

        // add markup
        var markup = SB.SKIN.markup.replace(/\{(\w+)\}/g, function(m, p){
            return SB.LANG[p];
        });
        var bd = document.body || document.documentElement;
        SL.append(bd, markup);

        // several fixes for IE6
        if(ltIE7){
            // give the container absolute positioning
            SL.setStyle(SL.get('shadowbox_container'), 'position', 'absolute');
            // give shadowbox_body "layout"...whatever that is
            SL.get('shadowbox_body').style.zoom = 1;
            // use AlphaImageLoader for transparent PNG support
            var png = SB.SKIN.png_fix;
            if(png && png.constructor == Array){
                for(var i = 0; i < png.length; ++i){
                    var el = SL.get(png[i]);
                    if(el){
                        var match = SL.getStyle(el, 'background-image').match(/url\("(.*\.png)"\)/);
                        if(match){
                            SL.setStyle(el, {
                                backgroundImage: 'none',
                                filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src=' + match[1] + ',sizingMethod=scale);'
                            });
                        }
                    }
                }
            }
        }

        // compile file type regular expressions here for speed
        for(var e in options.ext){
            RE[e] = new RegExp('\.(' + options.ext[e].join('|') + ')\s*$', 'i');
        }

        // set up window resize event handler
        var id;
        SL.addEvent(window, 'resize', function(){
            // use 50 ms event buffering to prevent jerky window resizing
            if(id){
                clearTimeout(id);
                id = null;
            }
            id = setTimeout(function(){
                if(ltIE7) fixHeight();
                resizeContent();
            }, 50);
        });

        if(!options.skipSetup) SB.setup();
        initialized = true;
    };

    /**
     * Dynamically loads the specified skin for use with Shadowbox. If the skin
     * is included already in the page via the appropriate <script> and <link>
     * tags, this function does not need to be called. Otherwise, this function
     * must be called before window.onload.
     *
     * @param   String      skin        The directory where the skin is located
     * @param   String      dir         The directory where the Shadowbox skin
     *                                  files are located
     * @return  void
     * @public
     * @static
     */
    Shadowbox.loadSkin = function(skin, dir){
        if(!(/\/$/.test(dir))) dir += '/';
        skin = dir + skin + '/';

        // Safari 2.0 fails using DOM, use document.write instead
        document.write('<link rel="stylesheet" type="text/css" href="' + skin + 'skin.css">');
        document.write('<scr' + 'ipt type="text/javascript" src="' + skin + 'skin.js"><\/script>');
    };

    /**
     * Dynamically loads the specified language file to be used with Shadowbox.
     * If the language file is included already in the page via the appropriate
     * <script> tag, this function does not need to be called. Otherwise, this
     * function must be called before window.onload.
     *
     * @param   String      lang        The language abbreviation (e.g. en)
     * @param   String      dir         The directory where the Shadowbox
     *                                  language file(s) is located
     * @return  void
     * @public
     * @static
     */
    Shadowbox.loadLanguage = function(lang, dir){
        if(!(/\/$/.test(dir))) dir += '/';

        // Safari 2.0 fails using DOM, use document.write instead
        document.write('<scr' + 'ipt type="text/javascript" src="' + dir + 'shadowbox-' + lang + '.js"><\/script>');
    };

    /**
     * Dynamically loads the specified player(s) to be used with Shadowbox. If
     * the needed player(s) is already included in the page via the appropriate
     * <script> tag(s), this function does not need to be called. Otherwise,
     * this function must be called before window.onload.
     *
     * @param   Array       players     The player(s) to load
     * @param   String      dir         The director where the Shadowbox player
     *                                  file(s) is located
     * @return  void
     * @public
     * @static
     */
    Shadowbox.loadPlayer = function(players, dir){
        if(typeof players == 'string') players = [players];
        if(!(/\/$/.test(dir))) dir += '/';

        for(var i = 0, len = players.length; i < len; ++i){
            // Safari 2.0 fails using DOM, use document.write instead
            document.write('<scr' + 'ipt type="text/javascript" src="' + dir + 'shadowbox-' + players[i] + '.js"><\/script>');
        }
    };

    /**
     * Sets up listeners on the given links that will trigger Shadowbox. If no
     * links are given, this method will set up every anchor element on the page
     * with the appropriate rel attribute. Note: Because AREA elements do not
     * support the rel attribute, they must be explicitly passed to this method.
     *
     * @param   Array       links       An array (or array-like) list of anchor
     *                                  and/or area elements to set up
     * @param   Object      opts        Some options to use for the given links
     * @return  void
     * @public
     * @static
     */
    Shadowbox.setup = function(links, opts){
        // get links if none specified
        if(!links){
            var links = [];
            var a = document.getElementsByTagName('a'), rel;
            for(var i = 0, len = a.length; i < len; ++i){
                rel = a[i].getAttribute('rel');
                if(rel && RE.rel.test(rel)) links[links.length] = a[i];
            }
        }else if(!links.length){
            links = [links]; // one link
        }

        var link;
        for(var i = 0, len = links.length; i < len; ++i){
            link = links[i];
            if(typeof link.shadowboxCacheKey == 'undefined'){
                // assign cache key expando
                // use integer primitive to avoid memory leak in IE
                link.shadowboxCacheKey = cache.length;
                SL.addEvent(link, 'click', handleClick); // add listener
            }
            cache[link.shadowboxCacheKey] = this.buildCacheObj(link, opts);
        }
    };

    /**
     * Builds an object from the original link element data to store in cache.
     * These objects contain (most of) the following keys:
     *
     * - el: the link element
     * - title: the linked file title
     * - player: the player to use for the linked file
     * - content: the linked file's URL
     * - gallery: the gallery the file belongs to (optional)
     * - height: the height of the linked file (only necessary for movies)
     * - width: the width of the linked file (only necessary for movies)
     * - options: custom options to use (optional)
     *
     * @param   HTMLElement     link    The link element to process
     * @return  Object                  An object representing the link
     * @public
     * @static
     */
    Shadowbox.buildCacheObj = function(link, opts){
        var href = link.href; // don't use getAttribute() here
        var o = {
            el:         link,
            title:      link.getAttribute('title'),
            player:     getPlayer(href),
            options:    apply({}, opts || {}), // break the reference
            content:    href
        };

        // remove link-level options from top-level options
        var opt, l_opts = ['player', 'title', 'height', 'width', 'gallery'];
        for(var i = 0, len = l_opts.length; i < len; ++i){
            opt = l_opts[i];
            if(typeof o.options[opt] != 'undefined'){
                o[opt] = o.options[opt];
                delete o.options[opt];
            }
        }

        // HTML options always trump JavaScript options, so do these last
        var rel = link.getAttribute('rel');
        if(rel){
            // extract gallery name from shadowbox[name] format
            var match = rel.match(RE.gallery);
            if(match) o.gallery = escape(match[2]);

            // other parameters
            var params = rel.split(';');
            for(var i = 0, len = params.length; i < len; ++i){
                match = params[i].match(RE.param);
                if(match){
                    if(match[1] == 'options'){
                        eval('apply(o.options, ' + match[2] + ')');
                    }else{
                        o[match[1]] = match[2];
                    }
                }
            }
        }

        return o;
    };

    /**
     * Applies the given set of options to those currently in use. Note: Options
     * will be reset on Shadowbox.open() so this function is only useful after
     * it has already been called (while Shadowbox is open).
     *
     * @param   Object      opts        The options to apply
     * @return  void
     * @public
     * @static
     */
    Shadowbox.applyOptions = function(opts){
        if(opts){
            // use apply here to break references
            default_options = apply({}, options); // store default options
            options = apply(options, opts); // apply options
        }
    };

    /**
     * Reverts Shadowbox' options to the last default set in use before
     * Shadowbox.applyOptions() was called.
     *
     * @return  void
     * @public
     * @static
     */
    Shadowbox.revertOptions = function(){
        if(default_options){
            options = default_options; // revert to default options
            default_options = null; // erase for next time
        }
    };

    /**
     * Opens the given object in Shadowbox. This object may be either an
     * anchor/area element, or an object similar to the one created by
     * Shadowbox.buildCacheObj().
     *
     * @param   mixed       obj         The object or link element that defines
     *                                  what to display
     * @return  void
     * @public
     * @static
     */
    Shadowbox.open = function(obj, opts){
        // revert options
        this.revertOptions();

        // is it a link?
        if(isLink(obj)){
            if(typeof obj.shadowboxCacheKey == 'undefined' || typeof cache[obj.shadowboxCacheKey] == 'undefined'){
                // link element that hasn't been set up before
                // create on-the-fly object
                obj = this.buildCacheObj(obj, opts);
            }else{
                // link element that has been set up before, get from cache
                obj = cache[obj.shadowboxCacheKey];
            }
        }

        // is it already a gallery?
        if(obj.constructor == Array){
            gallery = obj;
            current = 0;
        }else{
            // create a copy so it doesn't get modified later
            var copy = apply({}, obj);

            // is it part of a gallery?
            if(!obj.gallery){ // single item, no gallery
                gallery = [copy];
                current = 0;
            }else{
                current = null; // reset current
                gallery = []; // clear the current gallery
                var ci;
                for(var i = 0, len = cache.length; i < len; ++i){
                    ci = cache[i];
                    if(ci.gallery){
                        if(ci.content == obj.content
                            && ci.gallery == obj.gallery
                            && ci.title == obj.title){ // compare content, gallery, & title
                                current = gallery.length; // key element found
                        }
                        if(ci.gallery == obj.gallery){
                            gallery.push(apply({}, ci));
                        }
                    }
                }
                // if not found in cache, prepend to front of gallery
                if(current == null){
                    gallery.unshift(copy);
                    current = 0;
                }
            }
        }

        obj = gallery[current];

        // apply custom options
        if(obj.options || opts){
            // use apply here to break references
            this.applyOptions(apply(apply({}, obj.options || {}), opts || {}));
        }

        // filter gallery for unsupported elements
        var match, r;
        for(var i = 0, len = gallery.length; i < len; ++i){
            r = false; // remove the element?
            if(gallery[i].player == 'unsupported'){ // don't support this at all
                r = true;
            }else if(match = RE.unsupported.exec(gallery[i].player)){ // handle unsupported elements
                if(options.handleUnsupported == 'link'){
                    gallery[i].player = 'html';
                    // generate a link to the appropriate plugin download page(s)
                    var s, a, oe = options.errors;
                    switch(match[1]){
                        case 'qtwmp':
                            s = 'either';
                            a = [oe.qt.url, oe.qt.name, oe.wmp.url, oe.wmp.name];
                        break;
                        case 'qtf4m':
                            s = 'shared';
                            a = [oe.qt.url, oe.qt.name, oe.f4m.url, oe.f4m.name];
                        break;
                        default:
                            s = 'single';
                            if(match[1] == 'swf' || match[1] == 'flv') match[1] = 'fla';
                            a = [oe[match[1]].url, oe[match[1]].name];
                    }
                    var msg = SB.LANG.errors[s].replace(/\{(\d+)\}/g, function(m, i){
                        return a[i];
                    });
                    gallery[i].content = '<div class="shadowbox_message">' + msg + '</div>';
                }else{
                    r = true;
                }
            }else if(gallery[i].player == 'inline'){ // handle inline elements
                // retrieve the innerHTML of the inline element
                var match = RE.inline.exec(gallery[i].content);
                if(match){
                    var el;
                    if(el = SL.get(match[1])){
                        gallery[i].content = el.innerHTML;
                    }else{
                        SB.raise('Cannot find element with id ' + match[1]);
                    }
                }else{
                    SB.raise('Cannot find element id for inline content');
                }
            }
            if(r){
                gallery.splice(i, 1); // remove the element from the gallery
                if(i < current){
                    --current;
                }else if(i == current){
                    // if current is unsupported, look for supported neighbor
                    current = i > 0 ? current - 1 : i;
                }
                --i; // decrement to account for splice
                len = gallery.length; // gallery.length has changed!
            }
        }

        // anything left?
        if(gallery.length){
            // fire onOpen hook
            if(options.onOpen && typeof options.onOpen == 'function'){
                options.onOpen(obj);
            }

            if(!activated){
                // set initial dimensions & load
                setDimensions(options.initialHeight, options.initialWidth);
                adjustHeight(dims.inner_h, dims.top, false);
                adjustWidth(dims.width, false);
                toggleVisible(loadContent);
            } else {
                loadContent();
            }

            activated = true;
        }
    };

    /**
     * Jumps to the piece in the current gallery with index num.
     *
     * @param   Number      num     The gallery index to view
     * @return  void
     * @public
     * @static
     */
    Shadowbox.change = function(num){
        if(!gallery) return; // no current gallery
        if(!gallery[num]){ // index does not exist
            if(!options.continuous){
                return;
            }else{
                num = num < 0 ? (gallery.length - 1) : 0; // loop
            }
        }

        if(typeof slide_timer == 'number'){
            clearTimeout(slide_timer);
            slide_timer = null;
            slide_delay = slide_start = 0; // reset slideshow variables
        }
        current = num; // update current

        if(options.onChange && typeof options.onChange == 'function'){
            options.onChange(gallery[current]); // fire onChange handler
        }

        loadContent();
    };

    /**
     * Jumps to the next piece in the gallery.
     *
     * @return  void
     * @public
     * @static
     */
    Shadowbox.next = function(){
        this.change(current + 1);
    };

    /**
     * Jumps to the previous piece in the gallery.
     *
     * @return  void
     * @public
     * @static
     */
    Shadowbox.previous = function(){
        this.change(current - 1);
    };

    /**
     * Sets the timer for the next image in the slideshow to be displayed.
     *
     * @return  void
     * @public
     * @static
     */
    Shadowbox.play = function(){
        if(!hasNext()) return;
        if(!slide_delay) slide_delay = options.slideshowDelay * 1000;
        if(slide_delay){
            slide_start = new Date().getTime();
            slide_timer = setTimeout(function(){
                slide_delay = slide_start = 0; // reset slideshow
                SB.next();
            }, slide_delay);

            // change play nav to pause
            toggleNav('play', false);
            toggleNav('pause', true);
        }
    };

    /**
     * Pauses the current slideshow.
     *
     * @return  void
     * @public
     * @static
     */
    Shadowbox.pause = function(){
        if(typeof slide_timer == 'number'){
            var time = new Date().getTime();
            slide_delay = Math.max(0, slide_delay - (time - slide_start));

            // any delay left on current slide? if so, stop the timer
            if(slide_delay){
                clearTimeout(slide_timer);
                slide_timer = 'paused';
            }

            // change pause nav to play
            toggleNav('pause', false);
            toggleNav('play', true);
        }
    };

    /**
     * Deactivates Shadowbox.
     *
     * @return  void
     * @public
     * @static
     */
    Shadowbox.close = function(){
        if(!activated) return; // already closed

        // stop listening for keys
        listenKeys(false);
        // hide
        toggleVisible(false);
        // remove the content
        if(content){
            content.remove();
            content = null;
        }

        // clear slideshow variables
        if(typeof slide_timer == 'number') clearTimeout(slide_timer);
        slide_timer = null;
        slide_delay = 0;

        // fire onClose handler
        if(options.onClose && typeof options.onClose == 'function'){
            options.onClose(gallery[current]);
        }

        activated = false;
    };

    /**
     * Clears Shadowbox' cache and removes listeners and expandos from all
     * cached link elements. May be used to completely reset Shadowbox in case
     * links on a page change.
     *
     * @return  void
     * @public
     * @static
     */
    Shadowbox.clearCache = function(){
        for(var i = 0, len = cache.length; i < len; ++i){
            if(cache[i].el){
                SL.removeEvent(cache[i].el, 'click', handleClick);
                delete cache[i].el.shadowboxCacheKey; // remove expando
            }
        }
        cache = [];
    };

    /**
     * Gets an object that lists which plugins are supported by the client. The
     * keys of this object will be:
     *
     * - fla: Adobe Flash Player
     * - qt: QuickTime Player
     * - wmp: Windows Media Player
     * - f4m: Flip4Mac QuickTime Player
     *
     * @return  Object          The plugins object
     * @public
     * @static
     */
    Shadowbox.getPlugins = function(){
        return plugins;
    };

    /**
     * Gets the current options object in use.
     *
     * @return  Object          The options object
     * @public
     * @static
     */
    Shadowbox.getOptions = function(){
        return options;
    };

    /**
     * Gets the current gallery object.
     *
     * @return  Object          The current gallery item
     * @public
     * @static
     */
    Shadowbox.getCurrent = function(){
        return gallery[current];
    };

    /**
     * Gets the current version number of Shadowbox.
     *
     * @return  String          The current version
     * @public
     * @static
     */
    Shadowbox.getVersion = function(){
        return version;
    };

    /**
     * Returns an object containing information about the current client
     * configuration.
     *
     * @return  Object          The object containing client data
     * @public
     * @static
     */
    Shadowbox.getClient = function(){
        return client;
    };

    /**
     * Returns the current content object in use.
     *
     * @return  Object          The current content object
     * @public
     * @static
     */
    Shadowbox.getContent = function(){
        return content;
    };

    /**
     * Gets the current dimensions of Shadowbox as calculated by
     * setDimensions().
     *
     * @return  Object          The current dimensions of Shadowbox
     * @public
     * @static
     */
    Shadowbox.getDimensions = function(){
        return dims;
    };

    /**
     * Handles all Shadowbox exceptions (errors). Calls the exception
     * handler callback if one is present (see handleException option) or
     * throws a new exception.
     *
     * @param   String      e       The error message
     * @return  void
     * @public
     * @static
     */
    Shadowbox.raise = function(e){
        if(typeof options.handleException == 'function'){
            options.handleException(e);
        }else{
            throw e;
        }
    };

})();
//////////////////////////////////////////////////////////////////////////////// // http://surpassarcade.com/js/mouseovertabs.js ////////////////////////////////////////////////////////////////////////////////
//Mouseover Tabs Menu: By http://www.dynamicdrive.com
//** Aug 4th, 08': Script creation date

var mouseovertabsmenu={

disappeardelay: 250, //set delay in miliseconds before sub menu disappears onmouseout
ajaxloadingmsg: 'Loading Sub Menu Contents...', //Message to show inside sub menu while fetching contents

///////No need to edit beyond here//////////////////////

tabsmenutree:{},

initializetabs:function(tabsmenuid, submenuid, tabcontentsLength, disappearBool){
	var tabmenu=document.getElementById(tabsmenuid)
	var tablinks=tabmenu.getElementsByTagName("a")
	var submenu=document.getElementById(submenuid)
	var selected=null, tablinks_count=0
	for (var i=0; i<tablinks.length; i++){
		tablinks[i]._parentid=tabsmenuid
		var relattr=tablinks[i].getAttribute("rel")
		if (/^gotsubmenu/i.test(relattr) && tablinks_count<tabcontentsLength){ //if "rel" attribute starts with="gotsubmenu" and a tab content exists for this tab based on its order
			tablinks[i]._pos=tablinks_count //remember position of this tab relative to its active peers
			if (relattr.indexOf("[selected]")!=-1){
				selected=tablinks_count
			}
			this.addEvent(tablinks[i], function(){
				var tabsmenutree=mouseovertabsmenu.tabsmenutree[this._parentid]
				mouseovertabsmenu.clearhidetimer(tabsmenutree.submenu.hidetimer)
				mouseovertabsmenu.showsubmenu(this)
			}, "mouseover")
			tablinks_count++
			this.tabsmenutree[tabsmenuid].tabs.push(tablinks[i]) //add this tab to tab collection
		}
		else{ //else for regular tab links (with no "rel" attribute)
			this.addEvent(tablinks[i], function(){
				mouseovertabsmenu.hidesubmenu(this._parentid)
			}, "mouseover")
		}
	}
	this.addEvent(submenu, function(e){
		mouseovertabsmenu.clearhidetimer(this.hidetimer)
	}, "mouseover")
	if (disappearBool==true){
		this.addEvent(submenu, function(e){ //hide submenu contents when mouse rolls out of submenu DIV
			if (!mouseovertabsmenu.isContained(this, e)){
				var cursubmenuobj=this
				this.hidetimer=setTimeout(function(){mouseovertabsmenu.hidesubmenu(cursubmenuobj._parentid)}, mouseovertabsmenu.disappeardelay)
			}
		}, "mouseout")
	}
	var urlselected=this.urlparamselect(tabsmenuid)
	//return position of selected tab (relative to its peers), or null
	return typeof urlselected=="number"? urlselected : document.getElementById(urlselected)? document.getElementById(urlselected)._pos : selected
},

ajaxload:function(tabsmenuid, submenuid, disappearBool, url){
	var page_request = false
	if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
		try {
		page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
			try{
			page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else
		return false
	var tabsmenutree=this.tabsmenutree[tabsmenuid]
	tabsmenutree.submenu.innerHTML=this.ajaxloadingmsg
	var ajaxfriendlyurl=url.replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.hostname+"/") 
	page_request.onreadystatechange=function(){
		mouseovertabsmenu.ajaxpopulate(page_request, tabsmenuid, submenuid, disappearBool, ajaxfriendlyurl)
	}
	var bustcache=(ajaxfriendlyurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', ajaxfriendlyurl+bustcache, true)
	page_request.send(null)
},

ajaxpopulate:function(page_request, tabsmenuid, submenuid, disappearBool, url){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
		var tabsmenutree=this.tabsmenutree[tabsmenuid]
		tabsmenutree.submenu.innerHTML=page_request.responseText
		var innerdivs=tabsmenutree.submenu.getElementsByTagName("div")
		for (var i=0; i<innerdivs.length; i++){
			if (/tabsmenucontent/i.test(innerdivs[i].className)){
				tabsmenutree.submenu_divs.push(innerdivs[i])
			}
		}
		var selected=this.initializetabs(tabsmenuid, submenuid, tabsmenutree.submenu_divs.length, disappearBool)
		if (selected!=null && selected<tabsmenutree.submenu_divs.length){
			innerdivs[selected].style.display="block"
			this.css(tabsmenutree.tabs[selected], "selected", "add")
			tabsmenutree.submenu._prevselected=selected
		}
	}
},

showsubmenu:function(linkobj){
	var tabsmenutree=this.tabsmenutree[linkobj._parentid]
	this.hidesubmenu(linkobj._parentid)
	var selected=parseInt(linkobj._pos)
	tabsmenutree.submenu_divs[selected].style.display="block"
	this.css(tabsmenutree.tabs[selected], "selected", "add")
	tabsmenutree.submenu._prevselected=selected
},

hidesubmenu:function(tabsmenuid){
	var tabsmenutree=this.tabsmenutree[tabsmenuid]
	var prevselectedindex=tabsmenutree.submenu._prevselected
	if (typeof prevselectedindex!="undefined"){
		tabsmenutree.submenu_divs[prevselectedindex].style.display="none"
		this.css(tabsmenutree.tabs[prevselectedindex], "selected", "remove")
	}
},

clearhidetimer:function(timerid){
	if (timerid)
		clearTimeout(timerid)
},

css:function(el, targetclass, action){
	var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
	if (action=="check")
		return needle.test(el.className)
	else if (action=="remove")
		el.className=el.className.replace(needle, "")
	else if (action=="add" && !needle.test(el.className))
		el.className+=" "+targetclass
},

isContained:function(m, e){
	var e=window.event || e
	var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
	while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
	if (c==m)
		return true
	else
		return false
},

urlparamselect:function(tabsmenuid){
	var result=window.location.search.match(new RegExp(tabsmenuid+"=(\\w+)", "i")) //check for "?tabsmenuid=id_or_pos_of_selected_tab" in URL
	var selectedtabstr=RegExp.$1
	return /^\d+$/.test(selectedtabstr)? parseInt(selectedtabstr) : selectedtabstr //return position or ID of selected tab (or null if niether found)
},


addEvent:function(target, functionref, tasktype){
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false);
	else if (target.attachEvent)
		target.attachEvent('on'+tasktype, function(){return functionref.call(target, window.event)});
},

init:function(tabsmenuid, submenuid, disappearBool){
	this.tabsmenutree[tabsmenuid]={} 
	this.tabsmenutree[tabsmenuid].tabs=[] //array referencing the active tab links in this menu (ones with a "rel=gotsubmenu" attr)
	this.tabsmenutree[tabsmenuid].submenu=null //reference submenu DIV for this menu
	this.tabsmenutree[tabsmenuid].submenu_divs=[] //array referencing the submenu contents (external DIVs with class="tabsmenucontent")
	var submenu=document.getElementById(submenuid)
	submenu._parentid=tabsmenuid
	this.tabsmenutree[tabsmenuid].submenu=submenu //remember this DIV as menu's submenu container
	var remoteurl=submenu.getElementsByTagName("a")[0].getAttribute("href")
	this.ajaxload(tabsmenuid, submenuid, disappearBool, remoteurl)
}

}

document.write('<style type="text/css">\n.tabsmenucontent{display:none}\n</style>')
//////////////////////////////////////////////////////////////////////////////// // http://www.surpassarcade.com/js/contentslider.js ////////////////////////////////////////////////////////////////////////////////
//** Featured Content Slider script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com.
//** May 2nd, 08'- Script rewritten and updated to 2.0.
//** June 12th, 08'- Script updated to v 2.3, which adds the following features:
			//1) Changed behavior of script to actually collapse the previous content when the active one is shown, instead of just tucking it underneath the later.
			//2) Added setting to reveal a content either via "click" or "mouseover" of pagination links (default is former).
			//3) Added public function for jumping to a particular slide within a Featured Content instance using an arbitrary link, for example.

//** July 11th, 08'- Script updated to v 2.4:
			//1) Added ability to select a particular slide when the page first loads using a URL parameter (ie: mypage.htm?myslider=4 to select 4th slide in "myslider")
			//2) Fixed bug where the first slide disappears when the mouse clicks or mouses over it when page first loads.

var featuredcontentslider={

//3 variables below you can customize if desired:
ajaxloadingmsg: '<div style="margin: 20px 0 0 20px"><img src="loading.gif" /> Fetching slider Contents. Please wait...</div>',
bustajaxcache: true, //bust caching of external ajax page after 1st request?
enablepersist: true, //persist to last content viewed when returning to page?

settingcaches: {}, //object to cache "setting" object of each script instance

jumpTo:function(fcsid, pagenumber){ //public function to go to a slide manually.
	this.turnpage(this.settingcaches[fcsid], pagenumber)
},

ajaxconnect:function(setting){
	var page_request = false
	if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
		try {
		page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
			try{
			page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else
		return false
	var pageurl=setting.contentsource[1]
	page_request.onreadystatechange=function(){
		featuredcontentslider.ajaxpopulate(page_request, setting)
	}
	document.getElementById(setting.id).innerHTML=this.ajaxloadingmsg
	var bustcache=(!this.bustajaxcache)? "" : (pageurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', pageurl+bustcache, true)
	page_request.send(null)
},

ajaxpopulate:function(page_request, setting){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
		document.getElementById(setting.id).innerHTML=page_request.responseText
		this.buildpaginate(setting)
	}
},

buildcontentdivs:function(setting){
	var alldivs=document.getElementById(setting.id).getElementsByTagName("div")
	for (var i=0; i<alldivs.length; i++){
		if (this.css(alldivs[i], "contentdiv", "check")){ //check for DIVs with class "contentdiv"
			setting.contentdivs.push(alldivs[i])
				alldivs[i].style.display="none" //collapse all content DIVs to begin with
		}
	}
},

buildpaginate:function(setting){
	this.buildcontentdivs(setting)
	var sliderdiv=document.getElementById(setting.id)
	var pdiv=document.getElementById("paginate-"+setting.id)
	var phtml=""
	var toc=setting.toc
	var nextprev=setting.nextprev
	if (typeof toc=="string" && toc!="markup" || typeof toc=="object"){
		for (var i=1; i<=setting.contentdivs.length; i++){
			phtml+='<a href="#'+i+'" class="toc">'+(typeof toc=="string"? toc.replace(/#increment/, i) : toc[i-1])+'</a> '
		}
		phtml=(nextprev[0]!=''? '<a href="#prev" class="prev">'+nextprev[0]+'</a> ' : '') + phtml + (nextprev[1]!=''? '<a href="#next" class="next">'+nextprev[1]+'</a>' : '')
		pdiv.innerHTML=phtml
	}
	var pdivlinks=pdiv.getElementsByTagName("a")
	var toclinkscount=0 //var to keep track of actual # of toc links
	for (var i=0; i<pdivlinks.length; i++){
		if (this.css(pdivlinks[i], "toc", "check")){
			if (toclinkscount>setting.contentdivs.length-1){ //if this toc link is out of range (user defined more toc links then there are contents)
				pdivlinks[i].style.display="none" //hide this toc link
				continue
			}
			pdivlinks[i].setAttribute("rel", ++toclinkscount) //store page number inside toc link
			pdivlinks[i][setting.revealtype]=function(){
				featuredcontentslider.turnpage(setting, this.getAttribute("rel"))
				return false
			}
			setting.toclinks.push(pdivlinks[i])
		}
		else if (this.css(pdivlinks[i], "prev", "check") || this.css(pdivlinks[i], "next", "check")){ //check for links with class "prev" or "next"
			pdivlinks[i].onclick=function(){
				featuredcontentslider.turnpage(setting, this.className)
				return false
			}
		}
	}
	this.turnpage(setting, setting.currentpage, true)
	if (setting.autorotate[0]){ //if auto rotate enabled
		pdiv[setting.revealtype]=function(){
			featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id])
		}
		sliderdiv["onclick"]=function(){ //stop content slider when slides themselves are clicked on
			featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id])
		}
		setting.autorotate[1]=setting.autorotate[1]+(1/setting.enablefade[1]*50) //add time to run fade animation (roughly) to delay between rotation
	 this.autorotate(setting)
	}
},

urlparamselect:function(fcsid){
	var result=window.location.search.match(new RegExp(fcsid+"=(\\d+)", "i")) //check for "?featuredcontentsliderid=2" in URL
	return (result==null)? null : parseInt(RegExp.$1) //returns null or index, where index (int) is the selected tab's index
},

turnpage:function(setting, thepage, autocall){
	var currentpage=setting.currentpage //current page # before change
	var totalpages=setting.contentdivs.length
	var turntopage=(/prev/i.test(thepage))? currentpage-1 : (/next/i.test(thepage))? currentpage+1 : parseInt(thepage)
	turntopage=(turntopage<1)? totalpages : (turntopage>totalpages)? 1 : turntopage //test for out of bound and adjust
	if (turntopage==setting.currentpage && typeof autocall=="undefined") //if a pagination link is clicked on repeatedly
		return
	setting.currentpage=turntopage
	setting.contentdivs[turntopage-1].style.zIndex=++setting.topzindex
	this.cleartimer(setting, window["fcsfade"+setting.id])
	setting.cacheprevpage=setting.prevpage
	if (setting.enablefade[0]==true){
		setting.curopacity=0
		this.fadeup(setting)
	}
	if (setting.enablefade[0]==false){ //if fade is disabled, fire onChange event immediately (verus after fade is complete)
		setting.contentdivs[setting.prevpage-1].style.display="none" //collapse last content div shown (it was set to "block")
		setting.onChange(setting.prevpage, setting.currentpage)
	}
	setting.contentdivs[turntopage-1].style.visibility="visible"
	setting.contentdivs[turntopage-1].style.display="block"
	if (setting.prevpage<=setting.toclinks.length) //make sure pagination link exists (may not if manually defined via "markup", and user omitted)
		this.css(setting.toclinks[setting.prevpage-1], "selected", "remove")
	if (turntopage<=setting.toclinks.length) //make sure pagination link exists (may not if manually defined via "markup", and user omitted)
		this.css(setting.toclinks[turntopage-1], "selected", "add")
	setting.prevpage=turntopage
	if (this.enablepersist)
		this.setCookie("fcspersist"+setting.id, turntopage)
},

setopacity:function(setting, value){ //Sets the opacity of targetobject based on the passed in value setting (0 to 1 and in between)
	var targetobject=setting.contentdivs[setting.currentpage-1]
	if (targetobject.filters && targetobject.filters[0]){ //IE syntax
		if (typeof targetobject.filters[0].opacity=="number") //IE6
			targetobject.filters[0].opacity=value*100
		else //IE 5.5
			targetobject.style.filter="alpha(opacity="+value*100+")"
	}
	else if (typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax
		targetobject.style.MozOpacity=value
	else if (typeof targetobject.style.opacity!="undefined") //Standard opacity syntax
		targetobject.style.opacity=value
	setting.curopacity=value
},

fadeup:function(setting){
	if (setting.curopacity<1){
		this.setopacity(setting, setting.curopacity+setting.enablefade[1])
		window["fcsfade"+setting.id]=setTimeout(function(){featuredcontentslider.fadeup(setting)}, 50)
	}
	else{ //when fade is complete
		if (setting.cacheprevpage!=setting.currentpage) //if previous content isn't the same as the current shown div (happens the first time the page loads/ script is run)
			setting.contentdivs[setting.cacheprevpage-1].style.display="none" //collapse last content div shown (it was set to "block")
		setting.onChange(setting.cacheprevpage, setting.currentpage)
	}
},

cleartimer:function(setting, timervar){
	if (typeof timervar!="undefined"){
		clearTimeout(timervar)
		clearInterval(timervar)
		if (setting.cacheprevpage!=setting.currentpage){ //if previous content isn't the same as the current shown div
			setting.contentdivs[setting.cacheprevpage-1].style.display="none"
		}
	}
},

css:function(el, targetclass, action){
	var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
	if (action=="check")
		return needle.test(el.className)
	else if (action=="remove")
		el.className=el.className.replace(needle, "")
	else if (action=="add")
		el.className+=" "+targetclass
},

autorotate:function(setting){
 window["fcsautorun"+setting.id]=setInterval(function(){featuredcontentslider.turnpage(setting, "next")}, setting.autorotate[1])
},

getCookie:function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1] //return its value
	return null
},

setCookie:function(name, value){
	document.cookie = name+"="+value

},


init:function(setting){
	var persistedpage=this.getCookie("fcspersist"+setting.id) || 1
	var urlselectedpage=this.urlparamselect(setting.id) //returns null or index from: mypage.htm?featuredcontentsliderid=index
	this.settingcaches[setting.id]=setting //cache "setting" object
	setting.contentdivs=[]
	setting.toclinks=[]
	setting.topzindex=0
	setting.currentpage=urlselectedpage || ((this.enablepersist)? persistedpage : 1)
	setting.prevpage=setting.currentpage
	setting.revealtype="on"+(setting.revealtype || "click")
	setting.curopacity=0
	setting.onChange=setting.onChange || function(){}
	if (setting.contentsource[0]=="inline")
		this.buildpaginate(setting)
	if (setting.contentsource[0]=="ajax")
		this.ajaxconnect(setting)
}

}
//////////////////////////////////////////////////////////////////////////////// // http://surpassarcade.com/shadowbox/src/lang/shadowbox-en.js ////////////////////////////////////////////////////////////////////////////////
/**
 * The English language file for Shadowbox.
 *
 * This file is part of Shadowbox.
 *
 * Shadowbox is an online media viewer application that supports all of the
 * web's most popular media publishing formats. Shadowbox is written entirely
 * in JavaScript and CSS and is highly customizable. Using Shadowbox, website
 * authors can showcase a wide assortment of media in all major browsers without
 * navigating users away from the linking page.
 *
 * Shadowbox is released under version 3.0 of the Creative Commons Attribution-
 * Noncommercial-Share Alike license. This means that it is absolutely free
 * for personal, noncommercial use provided that you 1) make attribution to the
 * author and 2) release any derivative work under the same or a similar
 * license.
 *
 * If you wish to use Shadowbox for commercial purposes, licensing information
 * can be found at http://mjijackson.com/shadowbox/.
 *
 * @author      Michael J. I. Jackson <mjijackson@gmail.com>
 * @copyright   2007-2008 Michael J. I. Jackson
 * @license     http://creativecommons.org/licenses/by-nc-sa/3.0/
 * @version     SVN: $Id: shadowbox-en.js 99 2008-05-11 16:22:43Z mjijackson $
 */

if(typeof Shadowbox == 'undefined'){
    throw 'Unable to load Shadowbox language file, base library not found.';
}

/**
 * An object containing all textual messages to be used in Shadowbox. These are
 * provided so they may be translated into different languages. Alternative
 * translations may be found in js/lang/shadowbox-*.js where * is an abbreviation
 * of the language name (see
 * http://www.gnu.org/software/gettext/manual/gettext.html#Language-Codes).
 *
 * @var     {Object}    LANG
 * @public
 * @static
 */
Shadowbox.LANG = {

    code:       'en',

    of:         'of',

    loading:    'loading',

    cancel:     'Cancel',

    next:       'Next',

    previous:   'Previous',

    play:       'Play',

    pause:      'Pause',

    close:      'Close',

    errors:     {
        single: 'You must install the <a href="{0}">{1}</a> browser plugin to view this content.',
        shared: 'You must install both the <a href="{0}">{1}</a> and <a href="{2}">{3}</a> browser plugins to view this content.',
        either: 'You must install either the <a href="{0}">{1}</a> or the <a href="{2}">{3}</a> browser plugin to view this content.'
    }

};
//////////////////////////////////////////////////////////////////////////////// // http://surpassarcade.com/shadowbox/src/player/shadowbox-img.js ////////////////////////////////////////////////////////////////////////////////
/**
 * The Shadowbox image player class.
 *
 * This file is part of Shadowbox.
 *
 * Shadowbox is an online media viewer application that supports all of the
 * web's most popular media publishing formats. Shadowbox is written entirely
 * in JavaScript and CSS and is highly customizable. Using Shadowbox, website
 * authors can showcase a wide assortment of media in all major browsers without
 * navigating users away from the linking page.
 *
 * Shadowbox is released under version 3.0 of the Creative Commons Attribution-
 * Noncommercial-Share Alike license. This means that it is absolutely free
 * for personal, noncommercial use provided that you 1) make attribution to the
 * author and 2) release any derivative work under the same or a similar
 * license.
 *
 * If you wish to use Shadowbox for commercial purposes, licensing information
 * can be found at http://mjijackson.com/shadowbox/.
 *
 * @author      Michael J. I. Jackson <mjijackson@gmail.com>
 * @copyright   2007-2008 Michael J. I. Jackson
 * @license     http://creativecommons.org/licenses/by-nc-sa/3.0/
 * @version     SVN: $Id: shadowbox-img.js 103 2008-06-27 06:19:21Z mjijackson $
 */

(function(){

    // shorthand
    var SB = Shadowbox;
    var SL = SB.lib;
    var C = SB.getClient();

    /**
     * Keeps track of 4 floating values (x, y, start_x, & start_y) that are used
     * in the drag calculations.
     *
     * @property    {Object}        drag
     * @private
     */
    var drag;

    /**
     * Holds the draggable element so we don't have to fetch it every time
     * the mouse moves.
     *
     * @property    {HTMLElement}   draggable
     * @private
     */
    var draggable;

    /**
     * The id to use for the drag layer.
     *
     * @property    {String}        drag_id
     * @private
     */
    var drag_id = 'shadowbox_drag_layer';

    /**
     * Resource used to preload images. It's class-level so that when a new
     * image is requested, the same resource can be reassigned, cancelling
     * the original's callback.
     *
     * @property    {HTMLElement}   preloader
     * @private
     */
    var preloader;

    /**
     * Resets the class drag variable.
     *
     * @return  void
     * @private
     */
    var resetDrag = function(){
        drag = {
            x:          0,
            y:          0,
            start_x:    null,
            start_y:    null
        };
    };

    /**
     * Toggles the drag function on and off.
     *
     * @param   {Boolean}   on      True to toggle on, false to toggle off
     * @param   {Number}    h       The height of the drag layer
     * @param   {Number}    w       The width of the drag layer
     * @return  void
     * @private
     */
    var toggleDrag = function(on, h, w){
        if(on){
            resetDrag();
            // add transparent drag layer to prevent browser dragging of actual image
            var styles = [
                'position:absolute',
                'height:' + h + 'px',
                'width:' + w + 'px',
                'cursor:' + (C.isGecko ? '-moz-grab' : 'move'),
                'background-color:' + (C.isIE ? '#fff;filter:alpha(opacity=0)' : 'transparent')
            ];
            SL.append(SL.get('shadowbox_body_inner'), '<div id="' + drag_id + '" style="' + styles.join(';') + '"></div>');
            SL.addEvent(SL.get(drag_id), 'mousedown', listenDrag);
        }else{
            var d = SL.get(drag_id);
            if(d){
                SL.removeEvent(d, 'mousedown', listenDrag);
                SL.remove(d);
            }
        }
    };

    /**
     * Sets up a drag listener on the document. Called when the mouse button is
     * pressed (mousedown).
     *
     * @param   {mixed}     e       The mousedown event
     * @return  void
     * @private
     */
    var listenDrag = function(e){
        // prevent browser dragging
        SL.preventDefault(e);

        var coords = SL.getPageXY(e);
        drag.start_x = coords[0];
        drag.start_y = coords[1];

        draggable = SL.get('shadowbox_content');
        SL.addEvent(document, 'mousemove', positionDrag);
        SL.addEvent(document, 'mouseup', unlistenDrag);
        if(C.isGecko) SL.setStyle(SL.get(drag_id), 'cursor', '-moz-grabbing');
    };

    /**
     * Removes the drag listener. Called when the mouse button is released
     * (mouseup).
     *
     * @return  void
     * @private
     */
    var unlistenDrag = function(){
        SL.removeEvent(document, 'mousemove', positionDrag);
        SL.removeEvent(document, 'mouseup', unlistenDrag); // clean up
        if(C.isGecko) SL.setStyle(SL.get(drag_id), 'cursor', '-moz-grab');
    };

    /**
     * Positions an oversized image on drag.
     *
     * @param   {mixed}     e       The drag event
     * @return  void
     * @private
     */
    var positionDrag = function(e){
        var content = SB.getContent();
        var dims = SB.getDimensions();
        var coords = SL.getPageXY(e);

        var move_x = coords[0] - drag.start_x;
        drag.start_x += move_x;
        drag.x = Math.max(Math.min(0, drag.x + move_x), dims.inner_w - content.width); // x boundaries
        SL.setStyle(draggable, 'left', drag.x + 'px');

        var move_y = coords[1] - drag.start_y;
        drag.start_y += move_y;
        drag.y = Math.max(Math.min(0, drag.y + move_y), dims.inner_h - content.height); // y boundaries
        SL.setStyle(draggable, 'top', drag.y + 'px');
    };

    /**
     * Constructor. This class is used to display images.
     *
     * @param   {String}    id      The id to use for this content
     * @param   {Object}    obj     The content object
     * @public
     */
    Shadowbox.img = function(id, obj){
        this.id = id;
        this.obj = obj;

        // images are resizable
        this.resizable = true;

        // preload the image
        this.ready = false;
        var self = this; // needed inside preloader callback
        preloader = new Image();
        preloader.onload = function(){
            // height defaults to image height
            self.height = self.obj.height ? parseInt(self.obj.height, 10) : preloader.height;

            // width defaults to image width
            self.width = self.obj.width ? parseInt(self.obj.width, 10) : preloader.width;

            // ready to go
            self.ready = true;

            // clean up to prevent memory leak in IE
            preloader.onload = '';
            preloader = null;
        };
        preloader.src = obj.content;
    };

    Shadowbox.img.prototype = {

        /**
         * Returns an object containing the markup for this content, suitable
         * to pass to Shadowbox.lib.createHTML().
         *
         * @param   {Object}    dims    The current Shadowbox dimensions
         * @return  {Object}            The markup for this content item
         * @public
         */
        markup: function(dims){
            return {
                tag:    'img',
                id:     this.id,
                height: dims.resize_h, // use resized dimensions
                width:  dims.resize_w,
                src:    this.obj.content,
                style:  'position:absolute'
            };
        },

        /**
         * An optional callback function to process after this content has been
         * loaded.
         *
         * @return  void
         * @public
         */
        onLoad: function(){
            var dims = SB.getDimensions();
            if(dims.drag && SB.getOptions().handleOversize == 'drag'){
                // listen for drag
                // in the case of oversized images, the "resized" height and
                // width will actually be the original image height and width
                toggleDrag(true, dims.resize_h, dims.resize_w);
            }
        },

        /**
         * Removes this image from the document.
         *
         * @return  void
         * @public
         */
        remove: function(){
            var el = SL.get(this.id);
            if(el) SL.remove(el);

            // disable drag layer
            toggleDrag(false);

            // prevent old image requests from loading
            if(preloader){
                preloader.onload = '';
                preloader = null;
            }
        }

    };

})();
//////////////////////////////////////////////////////////////////////////////// // inline script block #1 ////////////////////////////////////////////////////////////////////////////////

	function lookup(inputString) {
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			// Hide the suggestion box.
			$('#suggestions').hide();
		} else {
			$.post("/rpc.php5", {queryString: ""+inputString+""}, function(data){
				if(data.length >0) {
					$('#suggestions').show();
					$('#autoSuggestionsList').html(data);
				}
			});
		}
	} // lookup
	
	function fill(thisValue) {
		$('#inputString').val(thisValue);
		setTimeout("$('#suggestions').hide();", 200);
	}
//////////////////////////////////////////////////////////////////////////////// // inline script block #3 ////////////////////////////////////////////////////////////////////////////////

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