[Customisation Database Commits] r214 [4/5] - in /trunk/titania: ./ includes/core/ includes/objects/ language/en/ mods/ styles/ styles/default/ styles/default/template/ styles/default/template/authors/ styles/default/template/contributions/ styles/default/template/faq/ styles/default/template/mods/ styles/default/template/titania/ styles/default/theme/ styles/default/theme/images/ styles/default/theme/js/ styles/prosilver/ template/ theme/

Nathan Guse exreaction at phpbb.com
Sat Jun 13 20:04:27 UTC 2009


Added: trunk/titania/styles/default/theme/js/prototype.js
==============================================================================
*** trunk/titania/styles/default/theme/js/prototype.js (added)
--- trunk/titania/styles/default/theme/js/prototype.js Sat Jun 13 20:04:24 2009
***************
*** 0 ****
--- 1,4221 ----
+ /*  Prototype JavaScript framework, version 1.6.0.2
+  *  (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: '1.6.0.2',
+ 
+   Browser: {
+     IE:     !!(window.attachEvent && !window.opera),
+     Opera:  !!window.opera,
+     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,
+     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 = Object.extend((function(m) {
+           return function() { return ancestor[m].apply(this, arguments) };
+         })(property).wrap(method), {
+           valueOf:  function() { return method },
+           toString: function() { return method.toString() }
+         });
+       }
+       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].split(",").invoke("strip");
+     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 = $A(arguments), timeout = args.shift() * 1000;
+     return window.setTimeout(function() {
+       return __method.apply(__method, args);
+     }, timeout);
+   },
+ 
+   wrap: function(wrapper) {
+     var __method = this;
+     return function() {
+       return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
+     }
+   },
+ 
+   methodize: function() {
+     if (this._methodized) return this._methodized;
+     var __method = this;
+     return this._methodized = function() {
+       return __method.apply(null, [this].concat($A(arguments)));
+     };
+   }
+ });
+ 
+ Function.prototype.defer = Function.prototype.delay.curry(0.01);
+ 
+ Date.prototype.toJSON = function() {
+   return '"' + this.getUTCFullYear() + '-' +
+     (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
+     this.getUTCDate().toPaddedString(2) + 'T' +
+     this.getUTCHours().toPaddedString(2) + ':' +
+     this.getUTCMinutes().toPaddedString(2) + ':' +
+     this.getUTCSeconds().toPaddedString(2) + 'Z"';
+ };
+ 
+ var Try = {
+   these: function() {
+     var returnValue;
+ 
+     for (var i = 0, length = arguments.length; i < length; i++) {
+       var lambda = arguments[i];
+       try {
+         returnValue = lambda();
+         break;
+       } catch (e) { }
+     }
+ 
+     return returnValue;
+   }
+ };
+ 
+ RegExp.prototype.match = RegExp.prototype.test;
+ 
+ RegExp.escape = function(str) {
+   return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/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,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
+   },
+   unescapeHTML: function() {
+     return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/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('')
+ });
+ 
+ with (String.prototype.escapeHTML) div.appendChild(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;
+     iterator = iterator.bind(context);
+     try {
+       this._each(function(value) {
+         iterator(value, index++);
+       });
+     } catch (e) {
+       if (e != $break) throw e;
+     }
+     return this;
+   },
+ 
+   eachSlice: function(number, iterator, context) {
+     iterator = iterator ? iterator.bind(context) : Prototype.K;
+     var index = -number, slices = [], array = this.toArray();
+     while ((index += number) < array.length)
+       slices.push(array.slice(index, index+number));
+     return slices.collect(iterator, context);
+   },
+ 
+   all: function(iterator, context) {
+     iterator = iterator ? iterator.bind(context) : Prototype.K;
+     var result = true;
+     this.each(function(value, index) {
+       result = result && !!iterator(value, index);
+       if (!result) throw $break;
+     });
+     return result;
+   },
+ 
+   any: function(iterator, context) {
+     iterator = iterator ? iterator.bind(context) : Prototype.K;
+     var result = false;
+     this.each(function(value, index) {
+       if (result = !!iterator(value, index))
+         throw $break;
+     });
+     return result;
+   },
+ 
+   collect: function(iterator, context) {
+     iterator = iterator ? iterator.bind(context) : Prototype.K;
+     var results = [];
+     this.each(function(value, index) {
+       results.push(iterator(value, index));
+     });
+     return results;
+   },
+ 
+   detect: function(iterator, context) {
+     iterator = iterator.bind(context);
+     var result;
+     this.each(function(value, index) {
+       if (iterator(value, index)) {
+         result = value;
+         throw $break;
+       }
+     });
+     return result;
+   },
+ 
+   findAll: function(iterator, context) {
+     iterator = iterator.bind(context);
+     var results = [];
+     this.each(function(value, index) {
+       if (iterator(value, index))
+         results.push(value);
+     });
+     return results;
+   },
+ 
+   grep: function(filter, iterator, context) {
+     iterator = iterator ? iterator.bind(context) : Prototype.K;
+     var results = [];
+ 
+     if (Object.isString(filter))
+       filter = new RegExp(filter);
+ 
+     this.each(function(value, index) {
+       if (filter.match(value))
+         results.push(iterator(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) {
+     iterator = iterator.bind(context);
+     this.each(function(value, index) {
+       memo = iterator(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 ? iterator.bind(context) : Prototype.K;
+     var result;
+     this.each(function(value, index) {
+       value = iterator(value, index);
+       if (result == null || value >= result)
+         result = value;
+     });
+     return result;
+   },
+ 
+   min: function(iterator, context) {
+     iterator = iterator ? iterator.bind(context) : Prototype.K;
+     var result;
+     this.each(function(value, index) {
+       value = iterator(value, index);
+       if (result == null || value < result)
+         result = value;
+     });
+     return result;
+   },
+ 
+   partition: function(iterator, context) {
+     iterator = iterator ? iterator.bind(context) : Prototype.K;
+     var trues = [], falses = [];
+     this.each(function(value, index) {
+       (iterator(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) {
+     iterator = iterator.bind(context);
+     var results = [];
+     this.each(function(value, index) {
+       if (!iterator(value, index))
+         results.push(value);
+     });
+     return results;
+   },
+ 
+   sortBy: function(iterator, context) {
+     iterator = iterator.bind(context);
+     return this.map(function(value, index) {
+       return {value: value, criteria: iterator(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 [];
+     if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
+         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) {
+     $R(0, this, true).each(iterator);
+     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) {
+       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.map(function(pair) {
+         var key = encodeURIComponent(pair.key), values = pair.value;
+ 
+         if (values && typeof values == 'object') {
+           if (Object.isArray(values))
+             return values.map(toQueryPair.curry(key)).join('&');
+         }
+         return toQueryPair(key, values);
+       }).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 || { });
+ }).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).style.display = 'none';
+     return element;
+   },
+ 
+   show: function(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(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);
+     var originalAncestor = ancestor;
+ 
+     if (element.compareDocumentPosition)
+       return (element.compareDocumentPosition(ancestor) & 8) === 8;
+ 
+     if (element.sourceIndex && !Prototype.Browser.Opera) {
+       var e = element.sourceIndex, a = ancestor.sourceIndex,
+        nextAncestor = ancestor.nextSibling;
+       if (!nextAncestor) {
+         do { ancestor = ancestor.parentNode; }
+         while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
+       }
+       if (nextAncestor && nextAncestor.sourceIndex)
+        return (e > a && e < nextAncestor.sourceIndex);
+     }
+ 
+     while (element = element.parentNode)
+       if (element == originalAncestor) 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) {
+       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 (window.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 == '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;
+     // 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;
+     // 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 == '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);
+       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);
+         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.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').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 == '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, 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 = { };
+     var B = Prototype.Browser;
+     $w('width height').each(function(d) {
+       var D = d.capitalize();
+       dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
+         (B.Opera) ? document.body['client' + 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();
+     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(this.expression))
+       return false;
+ 
+     return true;
+   },
+ 
+   compileMatcher: function() {
+     if (this.shouldUseXPath())
+       return this.compileXPathMatcher();
+ 
+     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;
+     if (this.xpath) return document._getElementsByXPath(this.xpath, root);
+     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 or translate(text(), ' \t\r\n', '') = '')]",
+       'checked':     "[@checked]",
+       'disabled':    "[@disabled]",
+       'enabled':     "[not(@disabled)]",
+       '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: /^\[([\w]+)\]/,
+     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;
+     },
+ 

[... 1166 lines stripped ...]



More information about the customisationdb-commits mailing list