update ajax callback to be quequed

4 files changed, 210 insertions, 451 deletions

diff --git a/framework/Web/Javascripts/js/compressed/ajax.js b/framework/Web/Javascripts/js/compressed/ajax.js
index 115be3d3..f0516df5 100644
--- a/framework/Web/Javascripts/js/compressed/ajax.js
+++ b/framework/Web/Javascripts/js/compressed/ajax.js
@@ -36,18 +36,18 @@ this.transport.onreadystatechange=Prototype.emptyFunction;},getHeaderData:functi
 {var json=this.header(name);return eval('('+json+')');}
 catch(e)
 {if(typeof(json)=="string")
-return Prado.CallbackRequest.decode(json);}}});Prado.CallbackRequest=Class.create();Object.extend(Prado.CallbackRequest,{FIELD_CALLBACK_TARGET:'PRADO_CALLBACK_TARGET',FIELD_CALLBACK_PARAMETER:'PRADO_CALLBACK_PARAMETER',FIELD_CALLBACK_PAGESTATE:'PRADO_PAGESTATE',FIELD_POSTBACK_TARGET:'PRADO_POSTBACK_TARGET',FIELD_POSTBACK_PARAMETER:'PRADO_POSTBACK_PARAMETER',PostDataLoaders:[],DATA_HEADER:'X-PRADO-DATA',ACTION_HEADER:'X-PRADO-ACTIONS',ERROR_HEADER:'X-PRADO-ERROR',PAGESTATE_HEADER:'X-PRADO-PAGESTATE',requestInProgress:null,addPostLoaders:function(ids)
-{this.PostDataLoaders=this.PostDataLoaders.concat(ids);list=[];this.PostDataLoaders.each(function(id)
+return Prado.CallbackRequest.decode(json);}}});Prado.CallbackRequest=Class.create();Object.extend(Prado.CallbackRequest,{FIELD_CALLBACK_TARGET:'PRADO_CALLBACK_TARGET',FIELD_CALLBACK_PARAMETER:'PRADO_CALLBACK_PARAMETER',FIELD_CALLBACK_PAGESTATE:'PRADO_PAGESTATE',FIELD_POSTBACK_TARGET:'PRADO_POSTBACK_TARGET',FIELD_POSTBACK_PARAMETER:'PRADO_POSTBACK_PARAMETER',PostDataLoaders:[],DATA_HEADER:'X-PRADO-DATA',ACTION_HEADER:'X-PRADO-ACTIONS',ERROR_HEADER:'X-PRADO-ERROR',PAGESTATE_HEADER:'X-PRADO-PAGESTATE',currentRequest:null,requestQueque:[],addPostLoaders:function(ids)
+{var self=Prado.CallbackRequest;self.PostDataLoaders=self.PostDataLoaders.concat(ids);var list=[];self.PostDataLoaders.each(function(id)
 {if(list.indexOf(id)<0)
-list.push(id);});this.PostDataLoaders=list;},dispatchActions:function(transport,actions)
-{if(actions&&actions.length>0)
-actions.each(this.__run.bind(this,transport));},__run:function(transport,command)
-{this.transport=transport;for(var method in command)
+list.push(id);});self.PostDataLoaders=list;},dispatchActions:function(transport,actions)
+{var self=Prado.CallbackRequest;if(actions&&actions.length>0)
+actions.each(self.__run.bind(self,transport));},__run:function(transport,command)
+{var self=Prado.CallbackRequest;self.transport=transport;for(var method in command)
 {try
-{method.toFunction().apply(this,command[method]);}
+{method.toFunction().apply(self,command[method]);}
 catch(e)
 {if(typeof(Logger)!="undefined")
-Prado.CallbackRequest.Exception.onException(null,e);}}},Exception:{"on500":function(request,transport,data)
+self.Exception.onException(null,e);}}},Exception:{"on500":function(request,transport,data)
 {var e=request.getHeaderData(Prado.CallbackRequest.ERROR_HEADER);Logger.error("Callback Server Error "+e.code,this.formatException(e));},'on200':function(request,transport,data)
 {if(transport.status<500)
 {var msg='HTTP '+transport.status+" with response : \n";if(transport.responseText.trim().length>0)
@@ -66,22 +66,34 @@ msg+=e.version+" "+e.time+"\n";return msg;}},encode:function(data)
 {if(typeof(data)=="string"&&data.trim().length>0)
 return Prado.JSON.parse(data);else
 return null;},dispatchPriorityRequest:function(callback)
-{this.abortRequestInProgress();callback.request=new Ajax.Request(callback.url,callback.options);callback.timeout=setTimeout(function()
-{Prado.CallbackRequest.abortRequestInProgress();},callback.options.RequestTimeOut);this.requestInProgress=callback;return true;},dispatchNormalRequest:function(callback)
-{new Ajax.Request(callback.url,callback.options);return true;},abortRequestInProgress:function()
-{inProgress=Prado.CallbackRequest.requestInProgress;if(inProgress)
-{if(inProgress.request.transport.readyState<4)
-inProgress.request.transport.abort();clearTimeout(inProgress.timeout);Prado.CallbackRequest.requestInProgress=null;return true;}
-return false;},updatePageState:function(request,transport)
-{pagestate=$(this.FIELD_CALLBACK_PAGESTATE);if(request.options.EnablePageStateUpdate&&request.options.HasPriority&&pagestate)
-{data=request.header(this.PAGESTATE_HEADER);if(typeof(data)=="string"&&data.length>0)
+{var self=Prado.CallbackRequest;callback.request=new Ajax.Request(callback.url,callback.options);callback.timeout=setTimeout(function()
+{self.abortCurrentRequest();},callback.options.RequestTimeOut);self.currentRequest=callback;return true;},dispatchNormalRequest:function(callback)
+{new Ajax.Request(callback.url,callback.options);return true;},abortCurrentRequest:function()
+{var self=Prado.CallbackRequest;var inProgress=self.currentRequest;if(inProgress)
+{clearTimeout(inProgress.timeout);self.currentRequest=null;if(inProgress.request.transport.readyState<4)
+inProgress.request.transport.abort();return self.dispatchQueque();}
+else
+return self.dispatchQueque();},updatePageState:function(request,transport)
+{var self=Prado.CallbackRequest;var pagestate=$(self.FIELD_CALLBACK_PAGESTATE);var enabled=request.options.EnablePageStateUpdate&&request.options.HasPriority;var aborted=self.currentRequest==null;if(enabled&&!aborted&&pagestate)
+{var data=request.header(self.PAGESTATE_HEADER);if(typeof(data)=="string"&&data.length>0)
 pagestate.value=data;else
 {if(typeof(Logger)!="undefined")
 Logger.warn("Missing page state:"+data);return false;}}
-return true;}})
+return true;},enqueque:function(callback)
+{var self=Prado.CallbackRequest;if(self.currentRequest==null)
+self.dispatchPriorityRequest(callback);else
+self.requestQueque.push(callback);},dispatchQueque:function()
+{var self=Prado.CallbackRequest;if(self.requestQueque.length>0)
+{var callback=self.requestQueque.shift();return self.dispatchPriorityRequest(callback);}
+return false;},abortRequest:function(id)
+{var self=Prado.CallbackRequest;if(self.currentRequest!=null&&self.currentRequest.id==id)
+self.abortCurrentRequest();else
+{var queque=[];self.requestQueque.each(function(callback)
+{if(callback.id!=id)
+queque.push(callback);});self.requestQueque=queque;}}})
 Ajax.Responders.register({onComplete:function(request)
 {if(request.options.HasPriority)
-Prado.CallbackRequest.abortRequestInProgress();}});Event.OnLoad(function()
+Prado.CallbackRequest.abortCurrentRequest();}});Event.OnLoad(function()
 {if(typeof Logger!="undefined")
 Ajax.Responders.register(Prado.CallbackRequest.Exception);});Prado.CallbackRequest.prototype={url:window.location.href,options:{},id:null,request:null,Enabled:true,initialize:function(id,options)
 {this.id=id;this.options=Object.extend({RequestTimeOut:30000,EnablePageStateUpdate:true,HasPriority:true,CausesValidation:true,ValidationGroup:null,PostInputs:true},options||{});},setCallbackParameter:function(value)
@@ -100,8 +112,10 @@ return false;}
 if(this.options.onPreDispatch)
 this.options.onPreDispatch(this,null);if(!this.Enabled)
 return;if(this.options.HasPriority)
-return Prado.CallbackRequest.dispatchPriorityRequest(this);else
-return Prado.CallbackRequest.dispatchNormalRequest(this);},_getPostData:function()
+{return Prado.CallbackRequest.enqueque(this);}
+else
+return Prado.CallbackRequest.dispatchNormalRequest(this);},abort:function()
+{return Prado.CallbackRequest.abortRequest(this.id);},_getPostData:function()
 {var data={};var callback=Prado.CallbackRequest;if(this.options.PostInputs!=false)
 {callback.PostDataLoaders.each(function(name)
 {$A(document.getElementsByName(name)).each(function(element)
diff --git a/framework/Web/Javascripts/js/compressed/prado.js b/framework/Web/Javascripts/js/compressed/prado.js
index 9f8cdb19..fbd2a9a2 100644
--- a/framework/Web/Javascripts/js/compressed/prado.js
+++ b/framework/Web/Javascripts/js/compressed/prado.js
@@ -19,379 +19,4 @@ var Base=function(){if(arguments.length){if(this==window){Base.prototype.extend.
 return this[source]=value;}else if(source){var _prototype={toSource:null};var _protected=["toString","valueOf"];if(Base._prototyping)_protected[2]="constructor";for(var i=0;(name=_protected[i]);i++){if(source[name]!=_prototype[name]){extend.call(this,name,source[name]);}}
 for(var name in source){if(!_prototype[name]){extend.call(this,name,source[name]);}}}
 return this;},base:function(){}};Base.extend=function(_instance,_static){var extend=Base.prototype.extend;if(!_instance)_instance={};Base._prototyping=true;var _prototype=new this;extend.call(_prototype,_instance);var constructor=_prototype.constructor;_prototype.constructor=this;delete Base._prototyping;var klass=function(){if(!Base._prototyping)constructor.apply(this,arguments);this.constructor=klass;};klass.prototype=_prototype;klass.extend=this.extend;klass.implement=this.implement;klass.toString=function(){return String(constructor);};extend.call(klass,_static);var object=constructor?klass:_prototype;if(object.init instanceof Function)object.init();return object;};Base.implement=function(_interface){if(_interface instanceof Function)_interface=_interface.prototype;this.prototype.extend(_interface);};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+=(replacement(match)||'').toString();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=count===undefined?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 this;},truncate:function(length,truncation){length=length||30;truncation=truncation===undefined?'...':truncation;return this.length>length?this.slice(0,length-truncation.length)+truncation: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 div=document.createElement('div');var text=document.createTextNode(this);div.appendChild(text);return div.innerHTML;},unescapeHTML:function(){var div=document.createElement('div');div.innerHTML=this.stripTags();return div.childNodes[0]?div.childNodes[0].nodeValue:'';},toQueryParams:function(){var pairs=this.match(/^\??(.*)$/)[1].split('&');return pairs.inject({},function(params,pairString){var pair=pairString.split('=');params[pair[0]]=pair[1];return params;});},toArray:function(){return this.split('');},camelize:function(){var oStringList=this.split('-');if(oStringList.length==1)return oStringList[0];var camelizedString=this.indexOf('-')==0?oStringList[0].charAt(0).toUpperCase()+oStringList[0].substring(1):oStringList[0];for(var i=1,len=oStringList.length;i<len;i++){var s=oStringList[i];camelizedString+=s.charAt(0).toUpperCase()+s.substring(1);}
-return camelizedString;},inspect:function(){return"'"+this.replace(/\\/g,'\\\\').replace(/'/g,'\\\'')+"'";}});String.prototype.gsub.prepareReplacement=function(replacement){if(typeof replacement=='function')return replacement;var template=new Template(replacement);return function(match){return template.evaluate(match)};}
-String.prototype.parseQuery=String.prototype.toQueryParams;var Template=Class.create();Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;Template.prototype={initialize:function(template,pattern){this.template=template.toString();this.pattern=pattern||Template.Pattern;},evaluate:function(object){return this.template.gsub(this.pattern,function(match){var before=match[1];if(before=='\\')return match[2];return before+(object[match[3]]||'').toString();});}}
-Object.extend(String.prototype,{pad:function(side,len,chr){if(!chr)chr=' ';var s=this;var left=side.toLowerCase()=='left';while(s.length<len)s=left?chr+s:s+chr;return s;},padLeft:function(len,chr){return this.pad('left',len,chr);},padRight:function(len,chr){return this.pad('right',len,chr);},zerofill:function(len){return this.padLeft(len,'0');},trim:function(){return this.replace(/^\s+|\s+$/g,'');},trimLeft:function(){return this.replace(/^\s+/,'');},trimRight:function(){return this.replace(/\s+$/,'');},toFunction:function()
-{var commands=this.split(/\./);var command=window;commands.each(function(action)
-{if(command[new String(action)])
-command=command[new String(action)];});if(typeof(command)=="function")
-return command;else
-{if(typeof Logger!="undefined")
-Logger.error("Missing function",this);throw new Error("Missing function '"+this+"'");}},toInteger:function()
-{var exp=/^\s*[-\+]?\d+\s*$/;if(this.match(exp)==null)
-return null;var num=parseInt(this,10);return(isNaN(num)?null:num);},toDouble:function(decimalchar)
-{if(this.length<=0)return null;decimalchar=decimalchar||".";var exp=new RegExp("^\\s*([-\\+])?(\\d+)?(\\"+decimalchar+"(\\d+))?\\s*$");var m=this.match(exp);if(m==null)
-return null;m[1]=m[1]||"";m[2]=m[2]||"0";m[4]=m[4]||"0";var cleanInput=m[1]+(m[2].length>0?m[2]:"0")+"."+m[4];var num=parseFloat(cleanInput);return(isNaN(num)?null:num);},toCurrency:function(groupchar,digits,decimalchar)
-{groupchar=groupchar||",";decimalchar=decimalchar||".";digits=typeof(digits)=="undefined"?2:digits;var exp=new RegExp("^\\s*([-\\+])?(((\\d+)\\"+groupchar+")*)(\\d+)"
-+((digits>0)?"(\\"+decimalchar+"(\\d{1,"+digits+"}))?":"")
-+"\\s*$");var m=this.match(exp);if(m==null)
-return null;var intermed=m[2]+m[5];var cleanInput=m[1]+intermed.replace(new RegExp("(\\"+groupchar+")","g"),"")
-+((digits>0)?"."+m[7]:"");var num=parseFloat(cleanInput);return(isNaN(num)?null:num);},toDate:function(format)
-{return Date.SimpleParse(this,format);}});var $break=new Object();var $continue=new Object();var Enumerable={each:function(iterator){var index=0;try{this._each(function(value){try{iterator(value,index++);}catch(e){if(e!=$continue)throw e;}});}catch(e){if(e!=$break)throw e;}},all:function(iterator){var result=true;this.each(function(value,index){result=result&&!!(iterator||Prototype.K)(value,index);if(!result)throw $break;});return result;},any:function(iterator){var result=true;this.each(function(value,index){if(result=!!(iterator||Prototype.K)(value,index))
-throw $break;});return result;},collect:function(iterator){var results=[];this.each(function(value,index){results.push(iterator(value,index));});return results;},detect:function(iterator){var result;this.each(function(value,index){if(iterator(value,index)){result=value;throw $break;}});return result;},findAll:function(iterator){var results=[];this.each(function(value,index){if(iterator(value,index))
-results.push(value);});return results;},grep:function(pattern,iterator){var results=[];this.each(function(value,index){var stringValue=value.toString();if(stringValue.match(pattern))
-results.push((iterator||Prototype.K)(value,index));})
-return results;},include:function(object){var found=false;this.each(function(value){if(value==object){found=true;throw $break;}});return found;},inject:function(memo,iterator){this.each(function(value,index){memo=iterator(memo,value,index);});return memo;},invoke:function(method){var args=$A(arguments).slice(1);return this.collect(function(value){return value[method].apply(value,args);});},max:function(iterator){var result;this.each(function(value,index){value=(iterator||Prototype.K)(value,index);if(result==undefined||value>=result)
-result=value;});return result;},min:function(iterator){var result;this.each(function(value,index){value=(iterator||Prototype.K)(value,index);if(result==undefined||value<result)
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-results.push(value);});return results;},sortBy:function(iterator){return this.collect(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.collect(Prototype.K);},zip:function(){var iterator=Prototype.K,args=$A(arguments);if(typeof args.last()=='function')
-iterator=args.pop();var collections=[this].concat(args).map($A);return this.map(function(value,index){return iterator(collections.pluck(index));});},inspect:function(){return'#<Enumerable:'+this.toArray().inspect()+'>';}}
-Object.extend(Enumerable,{map:Enumerable.collect,find:Enumerable.detect,select:Enumerable.findAll,member:Enumerable.include,entries:Enumerable.toArray});var $A=Array.from=function(iterable){if(!iterable)return[];if(iterable.toArray){return iterable.toArray();}else{var results=[];for(var i=0;i<iterable.length;i++)
-results.push(iterable[i]);return results;}}
-Object.extend(Array.prototype,Enumerable);if(!Array.prototype._reverse)
-Array.prototype._reverse=Array.prototype.reverse;Object.extend(Array.prototype,{_each:function(iterator){for(var i=0;i<this.length;i++)
-iterator(this[i]);},clear:function(){this.length=0;return this;},first:function(){return this[0];},last:function(){return this[this.length-1];},compact:function(){return this.select(function(value){return value!=undefined||value!=null;});},flatten:function(){return this.inject([],function(array,value){return array.concat(value&&value.constructor==Array?value.flatten():[value]);});},without:function(){var values=$A(arguments);return this.select(function(value){return!values.include(value);});},indexOf:function(object){for(var i=0;i<this.length;i++)
-if(this[i]==object)return i;return-1;},reverse:function(inline){return(inline!==false?this:this.toArray())._reverse();},inspect:function(){return'['+this.map(Object.inspect).join(', ')+']';}});var Hash={_each:function(iterator){for(var key in this){var value=this[key];if(typeof value=='function')continue;var pair=[key,value];pair.key=key;pair.value=value;iterator(pair);}},keys:function(){return this.pluck('key');},values:function(){return this.pluck('value');},merge:function(hash){return $H(hash).inject($H(this),function(mergedHash,pair){mergedHash[pair.key]=pair.value;return mergedHash;});},toQueryString:function(){return this.map(function(pair)
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-{return $A(pair[1]).collect(function(value)
-{return encodeURIComponent(pair[0])+'='+encodeURIComponent(value);}).join('&');}
-else
-return pair.map(encodeURIComponent).join('=');}).join('&');},inspect:function(){return'#<Hash:{'+this.map(function(pair){return pair.map(Object.inspect).join(': ');}).join(', ')+'}>';}}
-function $H(object){var hash=Object.extend({},object||{});Object.extend(hash,Enumerable);Object.extend(hash,Hash);return hash;}
-ObjectRange=Class.create();Object.extend(ObjectRange.prototype,Enumerable);Object.extend(ObjectRange.prototype,{initialize:function(start,end,exclusive){this.start=start;this.end=end;this.exclusive=exclusive;},_each:function(iterator){var value=this.start;do{iterator(value);value=value.succ();}while(this.include(value));},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);}
-function $(){var results=[],element;for(var i=0;i<arguments.length;i++){element=arguments[i];if(typeof element=='string')
-element=document.getElementById(element);results.push(Element.extend(element));}
-return results.length<2?results[0]:results;}
-document.getElementsByClassName=function(className,parentElement){var children=($(parentElement)||document.body).getElementsByTagName('*');return $A(children).inject([],function(elements,child){if(child.className.match(new RegExp("(^|\\s)"+className+"(\\s|$)")))
-elements.push(Element.extend(child));return elements;});}
-if(!window.Element)
-var Element=new Object();Element.extend=function(element){if(!element)return;if(_nativeExtensions)return element;if(!element._extended&&element.tagName&&element!=window){var methods=Element.Methods,cache=Element.extend.cache;for(property in methods){var value=methods[property];if(typeof value=='function')
-element[property]=cache.findOrStore(value);}}
-element._extended=true;return element;}
-Element.extend.cache={findOrStore:function(value){return this[value]=this[value]||function(){return value.apply(null,[this].concat($A(arguments)));}}}
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-setTimeout(function(){html.evalScripts()},10);},getHeight:function(element){element=$(element);return element.offsetHeight;},classNames:function(element){return new Element.ClassNames(element);},hasClassName:function(element,className){if(!(element=$(element)))return;return Element.classNames(element).include(className);},addClassName:function(element,className){if(!(element=$(element)))return;return Element.classNames(element).add(className);},removeClassName:function(element,className){if(!(element=$(element)))return;return Element.classNames(element).remove(className);},cleanWhitespace:function(element){element=$(element);for(var i=0;i<element.childNodes.length;i++){var node=element.childNodes[i];if(node.nodeType==3&&!/\S/.test(node.nodeValue))
-Element.remove(node);}},empty:function(element){return $(element).innerHTML.match(/^\s*$/);},childOf:function(element,ancestor){element=$(element),ancestor=$(ancestor);while(element=element.parentNode)
-if(element==ancestor)return true;return false;},scrollTo:function(element){element=$(element);var x=element.x?element.x:element.offsetLeft,y=element.y?element.y:element.offsetTop;window.scrollTo(x,y);},getStyle:function(element,style){element=$(element);var value=element.style[style.camelize()];if(!value){if(document.defaultView&&document.defaultView.getComputedStyle){var css=document.defaultView.getComputedStyle(element,null);value=css?css.getPropertyValue(style):null;}else if(element.currentStyle){value=element.currentStyle[style.camelize()];}}
-if(window.opera&&['left','top','right','bottom'].include(style))
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-element.style.overflow='hidden';},undoClipping:function(element){element=$(element);if(element._overflow)return;element.style.overflow=element._overflow;element._overflow=undefined;}}
-Object.extend(Element,Element.Methods);var _nativeExtensions=false;if(!HTMLElement&&/Konqueror|Safari|KHTML/.test(navigator.userAgent)){var HTMLElement={}
-HTMLElement.prototype=document.createElement('div').__proto__;}
-Element.addMethods=function(methods){Object.extend(Element.Methods,methods||{});if(typeof HTMLElement!='undefined'){var methods=Element.Methods,cache=Element.extend.cache;for(property in methods){var value=methods[property];if(typeof value=='function')
-HTMLElement.prototype[property]=cache.findOrStore(value);}
-_nativeExtensions=true;}}
-Element.addMethods();var Toggle=new Object();Toggle.display=Element.toggle;Abstract.Insertion=function(adjacency){this.adjacency=adjacency;}
-Abstract.Insertion.prototype={initialize:function(element,content){this.element=$(element);this.content=content.stripScripts();if(this.adjacency&&this.element.insertAdjacentHTML){try{this.element.insertAdjacentHTML(this.adjacency,this.content);}catch(e){var tagName=this.element.tagName.toLowerCase();if(tagName=='tbody'||tagName=='tr'){this.insertContent(this.contentFromAnonymousTable());}else{throw e;}}}else{this.range=this.element.ownerDocument.createRange();if(this.initializeRange)this.initializeRange();this.insertContent([this.range.createContextualFragment(this.content)]);}
-setTimeout(function(){content.evalScripts()},10);},contentFromAnonymousTable:function(){var div=document.createElement('div');div.innerHTML='<table><tbody>'+this.content+'</tbody></table>';return $A(div.childNodes[0].childNodes[0].childNodes);}}
-var Insertion=new Object();Insertion.Before=Class.create();Insertion.Before.prototype=Object.extend(new Abstract.Insertion('beforeBegin'),{initializeRange:function(){this.range.setStartBefore(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element);}).bind(this));}});Insertion.Top=Class.create();Insertion.Top.prototype=Object.extend(new Abstract.Insertion('afterBegin'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(true);},insertContent:function(fragments){fragments.reverse(false).each((function(fragment){this.element.insertBefore(fragment,this.element.firstChild);}).bind(this));}});Insertion.Bottom=Class.create();Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion('beforeEnd'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.appendChild(fragment);}).bind(this));}});Insertion.After=Class.create();Insertion.After.prototype=Object.extend(new Abstract.Insertion('afterEnd'),{initializeRange:function(){this.range.setStartAfter(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element.nextSibling);}).bind(this));}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(element){this.element=$(element);},_each:function(iterator){this.element.className.split(/\s+/).select(function(name){return name.length>0;})._each(iterator);},set:function(className){this.element.className=className;},add:function(classNameToAdd){if(this.include(classNameToAdd))return;this.set(this.toArray().concat(classNameToAdd).join(' '));},remove:function(classNameToRemove){if(!this.include(classNameToRemove))return;this.set(this.select(function(className){return className!=classNameToRemove;}).join(' '));},toString:function(){return this.toArray().join(' ');}}
-Object.extend(Element.ClassNames.prototype,Enumerable);var Field={clear:function(){for(var i=0;i<arguments.length;i++)
-$(arguments[i]).value='';},focus:function(element){$(element).focus();},present:function(){for(var i=0;i<arguments.length;i++)
-if($(arguments[i]).value=='')return false;return true;},select:function(element){$(element).select();},activate:function(element){element=$(element);element.focus();if(element.select)
-element.select();}}
-var Form={serialize:function(form){var elements=Form.getElements($(form));var queryComponents=new Array();for(var i=0;i<elements.length;i++){var queryComponent=Form.Element.serialize(elements[i]);if(queryComponent)
-queryComponents.push(queryComponent);}
-return queryComponents.join('&');},getElements:function(form){form=$(form);var elements=new Array();for(var tagName in Form.Element.Serializers){var tagElements=form.getElementsByTagName(tagName);for(var j=0;j<tagElements.length;j++)
-elements.push(tagElements[j]);}
-return elements;},getInputs:function(form,typeName,name){form=$(form);var inputs=form.getElementsByTagName('input');if(!typeName&&!name)
-return inputs;var matchingInputs=new Array();for(var i=0;i<inputs.length;i++){var input=inputs[i];if((typeName&&input.type!=typeName)||(name&&input.name!=name))
-continue;matchingInputs.push(input);}
-return matchingInputs;},disable:function(form){var elements=Form.getElements(form);for(var i=0;i<elements.length;i++){var element=elements[i];element.blur();element.disabled='true';}},enable:function(form){var elements=Form.getElements(form);for(var i=0;i<elements.length;i++){var element=elements[i];element.disabled='';}},findFirstElement:function(form){return Form.getElements(form).find(function(element){return element.type!='hidden'&&!element.disabled&&['input','select','textarea'].include(element.tagName.toLowerCase());});},focusFirstElement:function(form){Field.activate(Form.findFirstElement(form));},reset:function(form){$(form).reset();}}
-Form.Element={serialize:function(element){element=$(element);var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter){var key=encodeURIComponent(parameter[0]);if(key.length==0)return;if(parameter[1].constructor!=Array)
-parameter[1]=[parameter[1]];return parameter[1].map(function(value){return key+'='+encodeURIComponent(value);}).join('&');}},getValue:function(element){element=$(element);var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter)
-return parameter[1];}}
-Form.Element.Serializers={input:function(element){if(typeof(element.type)=="undefined")
-return false;switch(element.type.toLowerCase()){case'submit':case'hidden':case'password':case'text':return Form.Element.Serializers.textarea(element);case'checkbox':case'radio':return Form.Element.Serializers.inputSelector(element);}
-return false;},inputSelector:function(element){if(element.checked)
-return[element.name,element.value];},textarea:function(element){return[element.name,element.value];},select:function(element){return Form.Element.Serializers[element.type=='select-one'?'selectOne':'selectMany'](element);},selectOne:function(element){var value='',opt,index=element.selectedIndex;if(index>=0){opt=element.options[index];value=opt.value||opt.text;}
-return[element.name,value];},selectMany:function(element){var value=[];for(var i=0;i<element.length;i++){var opt=element.options[i];if(opt.selected)
-value.push(opt.value||opt.text);}
-return[element.name,value];}}
-var $F=Form.Element.getValue;Abstract.TimedObserver=function(){}
-Abstract.TimedObserver.prototype={initialize:function(element,frequency,callback){this.frequency=frequency;this.element=$(element);this.callback=callback;this.lastValue=this.getValue();this.registerCallback();},registerCallback:function(){setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},onTimerEvent:function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value;}}}
-Form.Element.Observer=Class.create();Form.Element.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue:function(){return Form.Element.getValue(this.element);}});Form.Observer=Class.create();Form.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue:function(){return Form.serialize(this.element);}});Abstract.EventObserver=function(){}
-Abstract.EventObserver.prototype={initialize:function(element,callback){this.element=$(element);this.callback=callback;this.lastValue=this.getValue();if(this.element.tagName.toLowerCase()=='form')
-this.registerFormCallbacks();else
-this.registerCallback(this.element);},onElementEvent:function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value;}},registerFormCallbacks:function(){var elements=Form.getElements(this.element);for(var i=0;i<elements.length;i++)
-this.registerCallback(elements[i]);},registerCallback:function(element){if(element.type){switch(element.type.toLowerCase()){case'checkbox':case'radio':Event.observe(element,'click',this.onElementEvent.bind(this));break;case'password':case'text':case'textarea':case'select-one':case'select-multiple':Event.observe(element,'change',this.onElementEvent.bind(this));break;}}}}
-Form.Element.EventObserver=Class.create();Form.Element.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue:function(){return Form.Element.getValue(this.element);}});Form.EventObserver=Class.create();Form.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue:function(){return Form.serialize(this.element);}});if(!window.Event){var Event=new Object();}
-Object.extend(Event,{KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,KEY_SPACEBAR:32,element:function(event){return event.target||event.srcElement;},isLeftClick:function(event){return(((event.which)&&(event.which==1))||((event.button)&&(event.button==1)));},pointerX:function(event){return event.pageX||(event.clientX+
-(document.documentElement.scrollLeft||document.body.scrollLeft));},pointerY:function(event){return event.pageY||(event.clientY+
-(document.documentElement.scrollTop||document.body.scrollTop));},stop:function(event){if(event.preventDefault){event.preventDefault();event.stopPropagation();}else{event.returnValue=false;event.cancelBubble=true;}},findElement:function(event,tagName){var element=Event.element(event);while(element.parentNode&&(!element.tagName||(element.tagName.toUpperCase()!=tagName.toUpperCase())))
-element=element.parentNode;return element;},observers:false,_observeAndCache:function(element,name,observer,useCapture){if(!this.observers)this.observers=[];if(element.addEventListener){this.observers.push([element,name,observer,useCapture]);element.addEventListener(name,observer,useCapture);}else if(element.attachEvent){this.observers.push([element,name,observer,useCapture]);element.attachEvent('on'+name,observer);}},unloadCache:function(){if(!Event.observers)return;for(var i=0;i<Event.observers.length;i++){Event.stopObserving.apply(this,Event.observers[i]);Event.observers[i][0]=null;}
-Event.observers=false;},observe:function(element,name,observer,useCapture){var element=$(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.attachEvent))
-name='keydown';this._observeAndCache(element,name,observer,useCapture);},stopObserving:function(element,name,observer,useCapture){var element=$(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.detachEvent))
-name='keydown';if(element.removeEventListener){element.removeEventListener(name,observer,useCapture);}else if(element.detachEvent){element.detachEvent('on'+name,observer);}}});if(navigator.appVersion.match(/\bMSIE\b/))
-Event.observe(window,'unload',Event.unloadCache,false);Object.extend(Event,{OnLoad:function(fn)
-{var w=document.addEventListener&&!window.addEventListener?document:window;Event.observe(w,'load',fn);},keyCode:function(e)
-{return e.keyCode!=null?e.keyCode:e.charCode},isHTMLEvent:function(type)
-{var events=['abort','blur','change','error','focus','load','reset','resize','scroll','select','submit','unload'];return events.include(type);},isMouseEvent:function(type)
-{var events=['click','mousedown','mousemove','mouseout','mouseover','mouseup'];return events.include(type);},fireEvent:function(element,type,canBubble)
-{canBubble=(typeof(canBubble)==undefined)?true:canBubble;element=$(element);if(type=="submit")
-return element.submit();if(document.createEvent)
-{if(Event.isHTMLEvent(type))
-{var event=document.createEvent('HTMLEvents');event.initEvent(type,canBubble,true);}
-else if(Event.isMouseEvent(type))
-{var event=document.createEvent('MouseEvents');if(event.initMouseEvent)
-{event.initMouseEvent(type,canBubble,true,document.defaultView,1,0,0,0,0,false,false,false,false,0,null);}
-else
-{event.initEvent(type,canBubble,true);}}
-element.dispatchEvent(event);}
-else if(document.createEventObject)
-{var evObj=document.createEventObject();element.fireEvent('on'+type,evObj);}
-else if(typeof(element['on'+type])=="function")
-element['on'+type]();}});var Position={includeScrollOffsets:false,prepare:function(){this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;this.deltaY=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0;},realOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.scrollTop||0;valueL+=element.scrollLeft||0;element=element.parentNode;}while(element);return[valueL,valueT];},cumulativeOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;}while(element);return[valueL,valueT];},positionedOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;if(element){p=Element.getStyle(element,'position');if(p=='relative'||p=='absolute')break;}}while(element);return[valueL,valueT];},offsetParent: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;},within:function(element,x,y){if(this.includeScrollOffsets)
-return this.withinIncludingScrolloffsets(element,x,y);this.xcomp=x;this.ycomp=y;this.offset=this.cumulativeOffset(element);return(y>=this.offset[1]&&y<this.offset[1]+element.offsetHeight&&x>=this.offset[0]&&x<this.offset[0]+element.offsetWidth);},withinIncludingScrolloffsets:function(element,x,y){var offsetcache=this.realOffset(element);this.xcomp=x+offsetcache[0]-this.deltaX;this.ycomp=y+offsetcache[1]-this.deltaY;this.offset=this.cumulativeOffset(element);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+element.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+element.offsetWidth);},overlap:function(mode,element){if(!mode)return 0;if(mode=='vertical')
-return((this.offset[1]+element.offsetHeight)-this.ycomp)/element.offsetHeight;if(mode=='horizontal')
-return((this.offset[0]+element.offsetWidth)-this.xcomp)/element.offsetWidth;},clone:function(source,target){source=$(source);target=$(target);target.style.position='absolute';var offsets=this.cumulativeOffset(source);target.style.top=offsets[1]+'px';target.style.left=offsets[0]+'px';target.style.width=source.offsetWidth+'px';target.style.height=source.offsetHeight+'px';},page:function(forElement){var valueT=0,valueL=0;var element=forElement;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)
-if(Element.getStyle(element,'position')=='absolute')break;}while(element=element.offsetParent);element=forElement;do{valueT-=element.scrollTop||0;valueL-=element.scrollLeft||0;}while(element=element.parentNode);return[valueL,valueT];},clone:function(source,target){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{})
-source=$(source);var p=Position.page(source);target=$(target);var delta=[0,0];var parent=null;if(Element.getStyle(target,'position')=='absolute'){parent=Position.offsetParent(target);delta=Position.page(parent);}
-if(parent==document.body){delta[0]-=document.body.offsetLeft;delta[1]-=document.body.offsetTop;}
-if(options.setLeft)target.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';if(options.setTop)target.style.top=(p[1]-delta[1]+options.offsetTop)+'px';if(options.setWidth)target.style.width=source.offsetWidth+'px';if(options.setHeight)target.style.height=source.offsetHeight+'px';},absolutize:function(element){element=$(element);if(element.style.position=='absolute')return;Position.prepare();var offsets=Position.positionedOffset(element);var top=offsets[1];var left=offsets[0];var width=element.clientWidth;var height=element.clientHeight;element._originalLeft=left-parseFloat(element.style.left||0);element._originalTop=top-parseFloat(element.style.top||0);element._originalWidth=element.style.width;element._originalHeight=element.style.height;element.style.position='absolute';element.style.top=top+'px';;element.style.left=left+'px';;element.style.width=width+'px';;element.style.height=height+'px';;},relativize:function(element){element=$(element);if(element.style.position=='relative')return;Position.prepare();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;}}
-if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){Position.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[valueL,valueT];}}
-var Selector=Class.create();Selector.prototype={initialize:function(expression){this.params={classNames:[]};this.expression=expression.toString().strip();this.parseExpression();this.compileMatcher();},parseExpression:function(){function abort(message){throw'Parse error in selector: '+message;}
-if(this.expression=='')abort('empty expression');var params=this.params,expr=this.expression,match,modifier,clause,rest;while(match=expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)){params.attributes=params.attributes||[];params.attributes.push({name:match[2],operator:match[3],value:match[4]||match[5]||''});expr=match[1];}
-if(expr=='*')return this.params.wildcard=true;while(match=expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)){modifier=match[1],clause=match[2],rest=match[3];switch(modifier){case'#':params.id=clause;break;case'.':params.classNames.push(clause);break;case'':case undefined:params.tagName=clause.toUpperCase();break;default:abort(expr.inspect());}
-expr=rest;}
-if(expr.length>0)abort(expr.inspect());},buildMatchExpression:function(){var params=this.params,conditions=[],clause;if(params.wildcard)
-conditions.push('true');if(clause=params.id)
-conditions.push('element.id == '+clause.inspect());if(clause=params.tagName)
-conditions.push('element.tagName.toUpperCase() == '+clause.inspect());if((clause=params.classNames).length>0)
-for(var i=0;i<clause.length;i++)
-conditions.push('Element.hasClassName(element, '+clause[i].inspect()+')');if(clause=params.attributes){clause.each(function(attribute){var value='element.getAttribute('+attribute.name.inspect()+')';var splitValueBy=function(delimiter){return value+' && '+value+'.split('+delimiter.inspect()+')';}
-switch(attribute.operator){case'=':conditions.push(value+' == '+attribute.value.inspect());break;case'~=':conditions.push(splitValueBy(' ')+'.include('+attribute.value.inspect()+')');break;case'|=':conditions.push(splitValueBy('-')+'.first().toUpperCase() == '+attribute.value.toUpperCase().inspect());break;case'!=':conditions.push(value+' != '+attribute.value.inspect());break;case'':case undefined:conditions.push(value+' != null');break;default:throw'Unknown operator '+attribute.operator+' in selector';}});}
-return conditions.join(' && ');},compileMatcher:function(){this.match=new Function('element','if (!element.tagName) return false; \
-      return '+this.buildMatchExpression());},findElements:function(scope){var element;if(element=$(this.params.id))
-if(this.match(element))
-if(!scope||Element.childOf(element,scope))
-return[element];scope=(scope||document).getElementsByTagName(this.params.tagName||'*');var results=[];for(var i=0;i<scope.length;i++)
-if(this.match(element=scope[i]))
-results.push(Element.extend(element));return results;},toString:function(){return this.expression;}}
-function $$(){return $A(arguments).map(function(expression){return expression.strip().split(/\s+/).inject([null],function(results,expr){var selector=new Selector(expr);return results.map(selector.findElements.bind(selector)).flatten();});}).flatten();}
-var Builder={NODEMAP:{AREA:'map',CAPTION:'table',COL:'table',COLGROUP:'table',LEGEND:'fieldset',OPTGROUP:'select',OPTION:'select',PARAM:'object',TBODY:'table',TD:'table',TFOOT:'table',TH:'table',THEAD:'table',TR:'table'},node:function(elementName){elementName=elementName.toUpperCase();var parentTag=this.NODEMAP[elementName]||'div';var parentElement=document.createElement(parentTag);try{parentElement.innerHTML="<"+elementName+"></"+elementName+">";}catch(e){}
-var element=parentElement.firstChild||null;if(element&&(element.tagName!=elementName))
-element=element.getElementsByTagName(elementName)[0];if(!element)element=document.createElement(elementName);if(!element)return;if(arguments[1])
-if(this._isStringOrNumber(arguments[1])||(arguments[1]instanceof Array)){this._children(element,arguments[1]);}else{var attrs=this._attributes(arguments[1]);if(attrs.length){try{parentElement.innerHTML="<"+elementName+" "+
-attrs+"></"+elementName+">";}catch(e){}
-element=parentElement.firstChild||null;if(!element){element=document.createElement(elementName);for(attr in arguments[1])
-element[attr=='class'?'className':attr]=arguments[1][attr];}
-if(element.tagName!=elementName)
-element=parentElement.getElementsByTagName(elementName)[0];}}
-if(arguments[2])
-this._children(element,arguments[2]);return element;},_text:function(text){return document.createTextNode(text);},_attributes:function(attributes){var attrs=[];for(attribute in attributes)
-attrs.push((attribute=='className'?'class':attribute)+'="'+attributes[attribute].toString().escapeHTML()+'"');return attrs.join(" ");},_children:function(element,children){if(typeof children=='object'){children.flatten().each(function(e){if(typeof e=='object')
-element.appendChild(e)
-else
-if(Builder._isStringOrNumber(e))
-element.appendChild(Builder._text(e));});}else
-if(Builder._isStringOrNumber(children))
-element.appendChild(Builder._text(children));},_isStringOrNumber:function(param){return(typeof param=='string'||typeof param=='number');}}
-Object.extend(Builder,{exportTags:function()
-{var tags=["BUTTON","TT","PRE","H1","H2","H3","BR","CANVAS","HR","LABEL","TEXTAREA","FORM","STRONG","SELECT","OPTION","OPTGROUP","LEGEND","FIELDSET","P","UL","OL","LI","TD","TR","THEAD","TBODY","TFOOT","TABLE","TH","INPUT","SPAN","A","DIV","IMG","CAPTION"];tags.each(function(tag)
-{window[tag]=function()
-{var args=$A(arguments);if(args.length==0)
-return Builder.node(tag,null);if(args.length==1)
-return Builder.node(tag,args[0]);if(args.length>1)
-return Builder.node(tag,args.shift(),args);};});}});Builder.exportTags();Object.extend(Date.prototype,{SimpleFormat:function(format,data)
-{data=data||{};var bits=new Array();bits['d']=this.getDate();bits['dd']=String(this.getDate()).zerofill(2);bits['M']=this.getMonth()+1;bits['MM']=String(this.getMonth()+1).zerofill(2);if(data.AbbreviatedMonthNames)
-bits['MMM']=data.AbbreviatedMonthNames[this.getMonth()];if(data.MonthNames)
-bits['MMMM']=data.MonthNames[this.getMonth()];var yearStr=""+this.getFullYear();yearStr=(yearStr.length==2)?'19'+yearStr:yearStr;bits['yyyy']=yearStr;bits['yy']=bits['yyyy'].toString().substr(2,2);var frm=new String(format);for(var sect in bits)
-{var reg=new RegExp("\\b"+sect+"\\b","g");frm=frm.replace(reg,bits[sect]);}
-return frm;},toISODate:function()
-{var y=this.getFullYear();var m=String(this.getMonth()+1).zerofill(2);var d=String(this.getDate()).zerofill(2);return String(y)+String(m)+String(d);}});Object.extend(Date,{SimpleParse:function(value,format)
-{val=String(value);format=String(format);if(val.length<=0)return null;if(format.length<=0)return new Date(value);var isInteger=function(val)
-{var digits="1234567890";for(var i=0;i<val.length;i++)
-{if(digits.indexOf(val.charAt(i))==-1){return false;}}
-return true;};var getInt=function(str,i,minlength,maxlength)
-{for(var x=maxlength;x>=minlength;x--)
-{var token=str.substring(i,i+x);if(token.length<minlength){return null;}
-if(isInteger(token)){return token;}}
-return null;};var i_val=0;var i_format=0;var c="";var token="";var token2="";var x,y;var now=new Date();var year=now.getFullYear();var month=now.getMonth()+1;var date=1;while(i_format<format.length)
-{c=format.charAt(i_format);token="";while((format.charAt(i_format)==c)&&(i_format<format.length))
-{token+=format.charAt(i_format++);}
-if(token=="yyyy"||token=="yy"||token=="y")
-{if(token=="yyyy"){x=4;y=4;}
-if(token=="yy"){x=2;y=2;}
-if(token=="y"){x=2;y=4;}
-year=getInt(val,i_val,x,y);if(year==null){return null;}
-i_val+=year.length;if(year.length==2)
-{if(year>70){year=1900+(year-0);}
-else{year=2000+(year-0);}}}
-else if(token=="MM"||token=="M")
-{month=getInt(val,i_val,token.length,2);if(month==null||(month<1)||(month>12)){return null;}
-i_val+=month.length;}
-else if(token=="dd"||token=="d")
-{date=getInt(val,i_val,token.length,2);if(date==null||(date<1)||(date>31)){return null;}
-i_val+=date.length;}
-else
-{if(val.substring(i_val,i_val+token.length)!=token){return null;}
-else{i_val+=token.length;}}}
-if(i_val!=val.length){return null;}
-if(month==2)
-{if(((year%4==0)&&(year%100!=0))||(year%400==0)){if(date>29){return null;}}
-else{if(date>28){return null;}}}
-if((month==4)||(month==6)||(month==9)||(month==11))
-{if(date>30){return null;}}
-var newdate=new Date(year,month-1,date,0,0,0);return newdate;}});var Prado={Version:'3.1',Browser:function()
-{var info={Version:"1.0"};var is_major=parseInt(navigator.appVersion);info.nver=is_major;info.ver=navigator.appVersion;info.agent=navigator.userAgent;info.dom=document.getElementById?1:0;info.opera=window.opera?1:0;info.ie5=(info.ver.indexOf("MSIE 5")>-1&&info.dom&&!info.opera)?1:0;info.ie6=(info.ver.indexOf("MSIE 6")>-1&&info.dom&&!info.opera)?1:0;info.ie4=(document.all&&!info.dom&&!info.opera)?1:0;info.ie=info.ie4||info.ie5||info.ie6;info.mac=info.agent.indexOf("Mac")>-1;info.ns6=(info.dom&&parseInt(info.ver)>=5)?1:0;info.ie3=(info.ver.indexOf("MSIE")&&(is_major<4));info.hotjava=(info.agent.toLowerCase().indexOf('hotjava')!=-1)?1:0;info.ns4=(document.layers&&!info.dom&&!info.hotjava)?1:0;info.bw=(info.ie6||info.ie5||info.ie4||info.ns4||info.ns6||info.opera);info.ver3=(info.hotjava||info.ie3);info.opera7=((info.agent.toLowerCase().indexOf('opera 7')>-1)||(info.agent.toLowerCase().indexOf('opera/7')>-1));info.operaOld=info.opera&&!info.opera7;return info;},ImportCss:function(doc,css_file)
-{if(Prado.Browser().ie)
-var styleSheet=doc.createStyleSheet(css_file);else
-{var elm=doc.createElement("link");elm.rel="stylesheet";elm.href=css_file;if(headArr=doc.getElementsByTagName("head"))
-headArr[0].appendChild(elm);}}};Prado.PostBack=function(event,options)
-{var form=$(options['FormID']);var canSubmit=true;if(options['CausesValidation']&&typeof(Prado.Validation)!="undefined")
-{if(!Prado.Validation.validate(options['FormID'],options['ValidationGroup'],$(options['ID'])))
-return Event.stop(event);}
-if(options['PostBackUrl']&&options['PostBackUrl'].length>0)
-form.action=options['PostBackUrl'];if(options['TrackFocus'])
-{var lastFocus=$('PRADO_LASTFOCUS');if(lastFocus)
-{var active=document.activeElement;if(active)
-lastFocus.value=active.id;else
-lastFocus.value=options['EventTarget'];}}
-$('PRADO_POSTBACK_TARGET').value=options['EventTarget'];$('PRADO_POSTBACK_PARAMETER').value=options['EventParameter'];Event.stop(event);Event.fireEvent(form,"submit");}
-Prado.Element={setValue:function(element,value)
-{var el=$(element);if(el&&typeof(el.value)!="undefined")
-el.value=value;},select:function(element,method,value,total)
-{var el=$(element);var selection=Prado.Element.Selection;if(typeof(selection[method])=="function")
-{control=selection.isSelectable(el)?[el]:selection.getListElements(element,total);selection[method](control,value);}},click:function(element)
-{var el=$(element);if(el)
-Event.fireEvent(el,'click');},setAttribute:function(element,attribute,value)
-{var el=$(element);if((attribute=="disabled"||attribute=="multiple")&&value==false)
-el.removeAttribute(attribute);else if(attribute.match(/^on/i))
-{try
-{eval("(func = function(event){"+value+"})");el[attribute]=func;}
-catch(e)
-{throw"Error in evaluating '"+value+"' for attribute "+attribute+" for element "+element.id;}}
-else
-el.setAttribute(attribute,value);},setOptions:function(element,options)
-{var el=$(element);if(el&&el.tagName.toLowerCase()=="select")
-{el.options.length=options.length;for(var i=0;i<options.length;i++)
-el.options[i]=new Option(options[i][0],options[i][1]);}},focus:function(element)
-{var obj=$(element);if(typeof(obj)!="undefined"&&typeof(obj.focus)!="undefined")
-setTimeout(function(){obj.focus();},100);return false;},replace:function(element,method,content,boundary)
-{if(boundary)
-{result=Prado.Element.extractContent(this.transport.responseText,boundary);if(result!=null)
-content=result;}
-if(typeof(element)=="string")
-{if($(element))
-method.toFunction().apply(this,[element,content]);}
-else
-{method.toFunction().apply(this,[content]);}},extractContent:function(text,boundary)
-{f=RegExp('(<!--'+boundary+'-->)([\\s\\S\\w\\W]*)(<!--//'+boundary+'-->)',"m");result=text.match(f);if(result&&result.length>=2)
-return result[2];else
-return null;},evaluateScript:function(content)
-{content.evalScripts();}}
-Prado.Element.Selection={isSelectable:function(el)
-{if(el&&el.type)
-{switch(el.type.toLowerCase())
-{case'checkbox':case'radio':case'select':case'select-multiple':case'select-one':return true;}}
-return false;},inputValue:function(el,value)
-{switch(el.type.toLowerCase())
-{case'checkbox':case'radio':return el.checked=value;}},selectValue:function(elements,value)
-{elements.each(function(el)
-{$A(el.options).each(function(option)
-{if(typeof(value)=="boolean")
-options.selected=value;else if(option.value==value)
-option.selected=true;});})},selectValues:function(elements,values)
-{selection=this;values.each(function(value)
-{selection.selectValue(elements,value);})},selectIndex:function(elements,index)
-{elements.each(function(el)
-{if(el.type.toLowerCase()=='select-one')
-el.selectedIndex=index;else
-{for(var i=0;i<el.length;i++)
-{if(i==index)
-el.options[i].selected=true;}}})},selectAll:function(elements)
-{elements.each(function(el)
-{if(el.type.toLowerCase()!='select-one')
-{$A(el.options).each(function(option)
-{option.selected=true;})}})},selectInvert:function(elements)
-{elements.each(function(el)
-{if(el.type.toLowerCase()!='select-one')
-{$A(el.options).each(function(option)
-{option.selected=!options.selected;})}})},selectIndices:function(elements,indices)
-{selection=this;indices.each(function(index)
-{selection.selectIndex(elements,index);})},selectClear:function(elements)
-{elements.each(function(el)
-{el.selectedIndex=-1;})},getListElements:function(element,total)
-{elements=new Array();for(i=0;i<total;i++)
-{el=$(element+"_c"+i);if(el)
-elements.push(el);}
-return elements;},checkValue:function(elements,value)
-{elements.each(function(el)
-{if(typeof(value)=="boolean")
-el.checked=value;else if(el.value==value)
-el.checked=true;});},checkValues:function(elements,values)
-{selection=this;values.each(function(value)
-{selection.checkValue(elements,value);})},checkIndex:function(elements,index)
-{for(var i=0;i<elements.length;i++)
-{if(i==index)
-elements[i].checked=true;}},checkIndices:function(elements,indices)
-{selection=this;indices.each(function(index)
-{selection.checkIndex(elements,index);})},checkClear:function(elements)
-{elements.each(function(el)
-{el.checked=false;});},checkAll:function(elements)
-{elements.each(function(el)
-{el.checked=true;})},checkInvert:function(elements)
-{elements.each(function(el)
-{el.checked!=el.checked;})}};Prado.Element.Insert={append:function(element,content)
-{new Insertion.Bottom(element,content);},prepend:function(element,content)
-{new Insertion.Top(element,content);},after:function(element,content)
-{new Insertion.After(element,content);},before:function(element,content)
-{new Insertion.Before(element,content);}}
-Prado.WebUI=Class.create();Prado.WebUI.PostBackControl=Class.create();Prado.WebUI.PostBackControl.prototype={_elementOnClick:null,initialize:function(options)
-{this.element=$(options.ID);if(this.onInit)
-this.onInit(options);},onInit:function(options)
-{if(typeof(this.element.onclick)=="function")
-{this._elementOnClick=this.element.onclick;this.element.onclick=null;}
-Event.observe(this.element,"click",this.elementClicked.bindEvent(this,options));},elementClicked:function(event,options)
-{var src=Event.element(event);var doPostBack=true;var onclicked=null;if(this._elementOnClick)
-{var onclicked=this._elementOnClick(event);if(typeof(onclicked)=="boolean")
-doPostBack=onclicked;}
-if(doPostBack)
-this.onPostBack(event,options);if(typeof(onclicked)=="boolean"&&!onclicked)
-Event.stop(event);},onPostBack:function(event,options)
-{Prado.PostBack(event,options);}};Prado.WebUI.TButton=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TLinkButton=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TCheckBox=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TBulletedList=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TImageMap=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TImageButton=Class.extend(Prado.WebUI.PostBackControl);Object.extend(Prado.WebUI.TImageButton.prototype,{hasXYInput:false,onPostBack:function(event,options)
-{if(!this.hasXYInput)
-{this.addXYInput(event,options);this.hasXYInput=true;}
-Prado.PostBack(event,options);},addXYInput:function(event,options)
-{imagePos=Position.cumulativeOffset(this.element);clickedPos=[event.clientX,event.clientY];x=clickedPos[0]-imagePos[0]+1;y=clickedPos[1]-imagePos[1]+1;x=x<0?0:x;y=y<0?0:y;id=options['EventTarget'];x_input=$(id+"_x");y_input=$(id+"_y");if(x_input)
-{x_input.value=x;}
-else
-{x_input=INPUT({type:'hidden',name:id+'_x','id':id+'_x',value:x});this.element.parentNode.appendChild(x_input);}
-if(y_input)
-{y_input.value=y;}
-else
-{y_input=INPUT({type:'hidden',name:id+'_y','id':id+'_y',value:y});this.element.parentNode.appendChild(y_input);}}});Prado.WebUI.TRadioButton=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TRadioButton.prototype.onRadioButtonInitialize=Prado.WebUI.TRadioButton.prototype.initialize;Object.extend(Prado.WebUI.TRadioButton.prototype,{initialize:function(options)
-{this.element=$(options['ID']);if(!this.element.checked)
-this.onRadioButtonInitialize(options);}});Prado.WebUI.TTextBox=Class.extend(Prado.WebUI.PostBackControl,{onInit:function(options)
-{if(options['TextMode']!='MultiLine')
-Event.observe(this.element,"keydown",this.handleReturnKey.bind(this));Event.observe(this.element,"change",Prado.PostBack.bindEvent(this,options));},handleReturnKey:function(e)
-{if(Event.keyCode(e)==Event.KEY_RETURN)
-{var target=Event.element(e);if(target)
-{Event.fireEvent(target,"change");Event.stop(e);}}}});Prado.WebUI.TListControl=Class.extend(Prado.WebUI.PostBackControl,{onInit:function(options)
-{Event.observe(this.element,"change",Prado.PostBack.bindEvent(this,options));}});Prado.WebUI.TListBox=Class.extend(Prado.WebUI.TListControl);Prado.WebUI.TDropDownList=Class.extend(Prado.WebUI.TListControl);Prado.WebUI.DefaultButton=Class.create();Prado.WebUI.DefaultButton.prototype={initialize:function(options)
-{this.options=options;this._event=this.triggerEvent.bindEvent(this);Event.observe(options['Panel'],'keydown',this._event);},triggerEvent:function(ev,target)
-{var enterPressed=Event.keyCode(ev)==Event.KEY_RETURN;var isTextArea=Event.element(ev).tagName.toLowerCase()=="textarea";if(enterPressed&&!isTextArea)
-{var defaultButton=$(this.options['Target']);if(defaultButton)
-{this.triggered=true;$('PRADO_POSTBACK_TARGET').value=this.options.EventTarget;Event.fireEvent(defaultButton,this.options['Event']);Event.stop(ev);}}}};Prado.WebUI.TTextHighlighter=Class.create();Prado.WebUI.TTextHighlighter.prototype={initialize:function(id)
-{if(!window.clipboardData)return;var options={href:'javascript:;/'+'/copy code to clipboard',onclick:'Prado.WebUI.TTextHighlighter.copy(this)',onmouseover:'Prado.WebUI.TTextHighlighter.hover(this)',onmouseout:'Prado.WebUI.TTextHighlighter.out(this)'}
-var div=DIV({className:'copycode'},A(options,'Copy Code'));document.write(DIV(null,div).innerHTML);}};Object.extend(Prado.WebUI.TTextHighlighter,{copy:function(obj)
-{var parent=obj.parentNode.parentNode.parentNode;var text='';for(var i=0;i<parent.childNodes.length;i++)
-{var node=parent.childNodes[i];if(node.innerText)
-text+=node.innerText=='Copy Code'?'':node.innerText;else
-text+=node.nodeValue;}
-if(text.length>0)
-window.clipboardData.setData("Text",text);},hover:function(obj)
-{obj.parentNode.className="copycode copycode_hover";},out:function(obj)
-{obj.parentNode.className="copycode";}});Prado.WebUI.TCheckBoxList=Base.extend({constructor:function(options)
-{for(var i=0;i<options.ItemCount;i++)
-{var checkBoxOptions=Object.extend({ID:options.ListID+"_c"+i,EventTarget:options.ListID+"$c"+i},options);new Prado.WebUI.TCheckBox(checkBoxOptions);}}});Prado.WebUI.TRadioButtonList=Base.extend({constructor:function(options)
-{for(var i=0;i<options.ItemCount;i++)
-{var radioButtonOptions=Object.extend({ID:options.ListID+"_c"+i,EventTarget:options.ListID+"$c"+i},options);new Prado.WebUI.TRadioButton(radioButtonOptions);}}});
\ No newline at end of file
+return result;},sub:function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement)
\ No newline at end of file
diff --git a/framework/Web/Javascripts/js/debug/ajax.js b/framework/Web/Javascripts/js/debug/ajax.js
index 0f2d1c1b..481e827d 100644
--- a/framework/Web/Javascripts/js/debug/ajax.js
+++ b/framework/Web/Javascripts/js/debug/ajax.js
@@ -410,21 +410,24 @@ Object.extend(Prado.CallbackRequest,
 	/**

 	 * Current requests in progress.

 	 */

-	requestInProgress : null,

+	currentRequest : null,

+

+	requestQueque : [],

 

 	/**

 	 * Add ids of inputs element to post in the request.

 	 */

 	addPostLoaders : function(ids)

 	{

-		this.PostDataLoaders = this.PostDataLoaders.concat(ids);

-		list = [];

-		this.PostDataLoaders.each(function(id)

+		var self = Prado.CallbackRequest;

+		self.PostDataLoaders = self.PostDataLoaders.concat(ids);

+		var list = [];

+		self.PostDataLoaders.each(function(id)

 		{

 			if(list.indexOf(id) < 0)

 				list.push(id);

 		});

-		this.PostDataLoaders = list;

+		self.PostDataLoaders = list;

 	},

 

 	/**

@@ -432,8 +435,9 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	dispatchActions : function(transport,actions)

 	{

+		var self = Prado.CallbackRequest;

 		if(actions && actions.length > 0)

-			actions.each(this.__run.bind(this,transport));

+			actions.each(self.__run.bind(self,transport));

 	},

 

 	/**

@@ -441,17 +445,18 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	__run : function(transport, command)

 	{

-		this.transport = transport;

+		var self = Prado.CallbackRequest;

+		self.transport = transport;

 		for(var method in command)

 		{

 			try

 			{

-				method.toFunction().apply(this,command[method]);

+				method.toFunction().apply(self,command[method]);

 			}

 			catch(e)

 			{

 				if(typeof(Logger) != "undefined")

-					Prado.CallbackRequest.Exception.onException(null,e);

+					self.Exception.onException(null,e);

 			}

 		}

 	},

@@ -552,19 +557,18 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	dispatchPriorityRequest : function(callback)

 	{

-		//Logger.info("priority request "+callback.id)

-		this.abortRequestInProgress();

+		var self = Prado.CallbackRequest;

 

 		callback.request = new Ajax.Request(callback.url, callback.options);

 		callback.timeout = setTimeout(function()

 		{

-		//	Logger.warn("priority timeout");

-			Prado.CallbackRequest.abortRequestInProgress();

+			//Logger.warn("priority timeout");

+			self.abortCurrentRequest();

 		},callback.options.RequestTimeOut);

 

-		this.requestInProgress = callback;

+		//Logger.info("dispatched "+this.currentRequest)

+		self.currentRequest = callback;

 		return true;

-		//Logger.info("dispatched "+this.requestInProgress)

 	},

 

 	/**

@@ -572,7 +576,7 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	dispatchNormalRequest : function(callback)

 	{

-	//	Logger.info("dispatching normal request");

+		//Logger.info("dispatching normal request");

 		new Ajax.Request(callback.url, callback.options);

 		return true;

 	},

@@ -580,20 +584,23 @@ Object.extend(Prado.CallbackRequest,
 	/**

 	 * Abort the current priority request in progress.

 	 */

-	abortRequestInProgress : function()

+	abortCurrentRequest : function()

 	{

-		inProgress = Prado.CallbackRequest.requestInProgress;

+		var self = Prado.CallbackRequest;

+		var inProgress = self.currentRequest;

 		//Logger.info("aborting ... "+inProgress);

 		if(inProgress)

 		{

+			clearTimeout(inProgress.timeout);

+			self.currentRequest = null;

+			//Logger.info("aborted");

 			//abort if not ready.

 			if(inProgress.request.transport.readyState < 4)

 				inProgress.request.transport.abort();

-			clearTimeout(inProgress.timeout);

-			Prado.CallbackRequest.requestInProgress = null;

-			return true;

+			return self.dispatchQueque();

 		}

-		return false;

+		else

+			return self.dispatchQueque();

 	},

 

 	/**

@@ -602,10 +609,13 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	updatePageState : function(request, transport)

 	{

-		pagestate = $(this.FIELD_CALLBACK_PAGESTATE);

-		if(request.options.EnablePageStateUpdate && request.options.HasPriority && pagestate)

+		var self = Prado.CallbackRequest;

+		var pagestate = $(self.FIELD_CALLBACK_PAGESTATE);

+		var enabled = request.options.EnablePageStateUpdate && request.options.HasPriority;

+		var aborted = self.currentRequest == null;

+		if(enabled && !aborted && pagestate)

 		{

-			data = request.header(this.PAGESTATE_HEADER);

+			var data = request.header(self.PAGESTATE_HEADER);

 			if(typeof(data) == "string" && data.length > 0)

 				pagestate.value = data;

 			else

@@ -616,6 +626,47 @@ Object.extend(Prado.CallbackRequest,
 			}

 		}

 		return true;

+	},

+

+	enqueque : function(callback)

+	{

+		var self = Prado.CallbackRequest;

+		if(self.currentRequest==null)

+			self.dispatchPriorityRequest(callback);

+		else

+			self.requestQueque.push(callback);

+		//Logger.info("current queque length="+self.requestQueque.length);

+	},

+

+	dispatchQueque : function()

+	{

+		var self = Prado.CallbackRequest;

+		//Logger.info("dispatching queque, length="+self.requestQueque.length+" request="+self.currentRequest);

+		if(self.requestQueque.length > 0)

+		{

+			var callback = self.requestQueque.shift();

+			//Logger.info("do dispatch request");

+			return self.dispatchPriorityRequest(callback);

+		}

+		return false;

+	},

+

+	abortRequest : function(id)

+	{

+		//Logger.info("abort id="+id);

+		var self = Prado.CallbackRequest;

+		if(self.currentRequest != null && self.currentRequest.id == id)

+			self.abortCurrentRequest();

+		else

+		{

+			var queque = [];

+			self.requestQueque.each(function(callback)

+			{

+				if(callback.id != id)

+					queque.push(callback);

+			});

+			self.requestQueque = queque;

+		}

 	}

 })

 

@@ -625,7 +676,7 @@ Object.extend(Prado.CallbackRequest,
 Ajax.Responders.register({onComplete : function(request)

 {

 	if(request.options.HasPriority)

-		Prado.CallbackRequest.abortRequestInProgress();

+		Prado.CallbackRequest.abortCurrentRequest();

 }});

 

 //Add HTTP exception respones when logger is enabled.

@@ -757,6 +808,7 @@ Prado.CallbackRequest.prototype =
 	 */

 	dispatch : function()

 	{

+		//Logger.info("dispatching request");

 		//trigger tinyMCE to save data.

 		if(typeof tinyMCE != "undefined")

 			tinyMCE.triggerSave();

@@ -782,11 +834,19 @@ Prado.CallbackRequest.prototype =
 			return;

 

 		if(this.options.HasPriority)

-			return Prado.CallbackRequest.dispatchPriorityRequest(this);

+		{

+			return Prado.CallbackRequest.enqueque(this);

+			//return Prado.CallbackRequest.dispatchPriorityRequest(this);

+		}

 		else

 			return Prado.CallbackRequest.dispatchNormalRequest(this);

 	},

 

+	abort : function()

+	{

+		return Prado.CallbackRequest.abortRequest(this.id);

+	},

+

 	/**

 	 * Collects the form inputs, encode the parameters, and sets the callback

 	 * target id. The resulting string is the request content body.

diff --git a/framework/Web/Javascripts/prado/ajax3.js b/framework/Web/Javascripts/prado/ajax3.js
index 6a20e2b5..d4221003 100644
--- a/framework/Web/Javascripts/prado/ajax3.js
+++ b/framework/Web/Javascripts/prado/ajax3.js
@@ -122,21 +122,24 @@ Object.extend(Prado.CallbackRequest,
 	/**

 	 * Current requests in progress.

 	 */

-	requestInProgress : null,

+	currentRequest : null,

+

+	requestQueque : [],

 

 	/**

 	 * Add ids of inputs element to post in the request.

 	 */

 	addPostLoaders : function(ids)

 	{

-		this.PostDataLoaders = this.PostDataLoaders.concat(ids);

-		list = [];

-		this.PostDataLoaders.each(function(id)

+		var self = Prado.CallbackRequest;

+		self.PostDataLoaders = self.PostDataLoaders.concat(ids);

+		var list = [];

+		self.PostDataLoaders.each(function(id)

 		{

 			if(list.indexOf(id) < 0)

 				list.push(id);

 		});

-		this.PostDataLoaders = list;

+		self.PostDataLoaders = list;

 	},

 

 	/**

@@ -144,8 +147,9 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	dispatchActions : function(transport,actions)

 	{

+		var self = Prado.CallbackRequest;

 		if(actions && actions.length > 0)

-			actions.each(this.__run.bind(this,transport));

+			actions.each(self.__run.bind(self,transport));

 	},

 

 	/**

@@ -153,17 +157,18 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	__run : function(transport, command)

 	{

-		this.transport = transport;

+		var self = Prado.CallbackRequest;

+		self.transport = transport;

 		for(var method in command)

 		{

 			try

 			{

-				method.toFunction().apply(this,command[method]);

+				method.toFunction().apply(self,command[method]);

 			}

 			catch(e)

 			{

 				if(typeof(Logger) != "undefined")

-					Prado.CallbackRequest.Exception.onException(null,e);

+					self.Exception.onException(null,e);

 			}

 		}

 	},

@@ -264,19 +269,18 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	dispatchPriorityRequest : function(callback)

 	{

-		//Logger.info("priority request "+callback.id)

-		this.abortRequestInProgress();

+		var self = Prado.CallbackRequest;

 

 		callback.request = new Ajax.Request(callback.url, callback.options);

 		callback.timeout = setTimeout(function()

 		{

-		//	Logger.warn("priority timeout");

-			Prado.CallbackRequest.abortRequestInProgress();

+			//Logger.warn("priority timeout");

+			self.abortCurrentRequest();

 		},callback.options.RequestTimeOut);

 

-		this.requestInProgress = callback;

+		//Logger.info("dispatched "+this.currentRequest)

+		self.currentRequest = callback;

 		return true;

-		//Logger.info("dispatched "+this.requestInProgress)

 	},

 

 	/**

@@ -284,7 +288,7 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	dispatchNormalRequest : function(callback)

 	{

-	//	Logger.info("dispatching normal request");

+		//Logger.info("dispatching normal request");

 		new Ajax.Request(callback.url, callback.options);

 		return true;

 	},

@@ -292,20 +296,23 @@ Object.extend(Prado.CallbackRequest,
 	/**

 	 * Abort the current priority request in progress.

 	 */

-	abortRequestInProgress : function()

+	abortCurrentRequest : function()

 	{

-		inProgress = Prado.CallbackRequest.requestInProgress;

+		var self = Prado.CallbackRequest;

+		var inProgress = self.currentRequest;

 		//Logger.info("aborting ... "+inProgress);

 		if(inProgress)

 		{

+			clearTimeout(inProgress.timeout);

+			self.currentRequest = null;

+			//Logger.info("aborted");

 			//abort if not ready.

 			if(inProgress.request.transport.readyState < 4)

 				inProgress.request.transport.abort();

-			clearTimeout(inProgress.timeout);

-			Prado.CallbackRequest.requestInProgress = null;

-			return true;

+			return self.dispatchQueque();

 		}

-		return false;

+		else

+			return self.dispatchQueque();

 	},

 

 	/**

@@ -314,10 +321,13 @@ Object.extend(Prado.CallbackRequest,
 	 */

 	updatePageState : function(request, transport)

 	{

-		pagestate = $(this.FIELD_CALLBACK_PAGESTATE);

-		if(request.options.EnablePageStateUpdate && request.options.HasPriority && pagestate)

+		var self = Prado.CallbackRequest;

+		var pagestate = $(self.FIELD_CALLBACK_PAGESTATE);

+		var enabled = request.options.EnablePageStateUpdate && request.options.HasPriority;

+		var aborted = self.currentRequest == null;

+		if(enabled && !aborted && pagestate)

 		{

-			data = request.header(this.PAGESTATE_HEADER);

+			var data = request.header(self.PAGESTATE_HEADER);

 			if(typeof(data) == "string" && data.length > 0)

 				pagestate.value = data;

 			else

@@ -328,6 +338,47 @@ Object.extend(Prado.CallbackRequest,
 			}

 		}

 		return true;

+	},

+

+	enqueque : function(callback)

+	{

+		var self = Prado.CallbackRequest;

+		if(self.currentRequest==null)

+			self.dispatchPriorityRequest(callback);

+		else

+			self.requestQueque.push(callback);

+		//Logger.info("current queque length="+self.requestQueque.length);

+	},

+

+	dispatchQueque : function()

+	{

+		var self = Prado.CallbackRequest;

+		//Logger.info("dispatching queque, length="+self.requestQueque.length+" request="+self.currentRequest);

+		if(self.requestQueque.length > 0)

+		{

+			var callback = self.requestQueque.shift();

+			//Logger.info("do dispatch request");

+			return self.dispatchPriorityRequest(callback);

+		}

+		return false;

+	},

+

+	abortRequest : function(id)

+	{

+		//Logger.info("abort id="+id);

+		var self = Prado.CallbackRequest;

+		if(self.currentRequest != null && self.currentRequest.id == id)

+			self.abortCurrentRequest();

+		else

+		{

+			var queque = [];

+			self.requestQueque.each(function(callback)

+			{

+				if(callback.id != id)

+					queque.push(callback);

+			});

+			self.requestQueque = queque;

+		}

 	}

 })

 

@@ -337,7 +388,7 @@ Object.extend(Prado.CallbackRequest,
 Ajax.Responders.register({onComplete : function(request)

 {

 	if(request.options.HasPriority)

-		Prado.CallbackRequest.abortRequestInProgress();

+		Prado.CallbackRequest.abortCurrentRequest();

 }});

 

 //Add HTTP exception respones when logger is enabled.

@@ -469,6 +520,7 @@ Prado.CallbackRequest.prototype =
 	 */

 	dispatch : function()

 	{

+		//Logger.info("dispatching request");

 		//trigger tinyMCE to save data.

 		if(typeof tinyMCE != "undefined")

 			tinyMCE.triggerSave();

@@ -494,11 +546,19 @@ Prado.CallbackRequest.prototype =
 			return;

 

 		if(this.options.HasPriority)

-			return Prado.CallbackRequest.dispatchPriorityRequest(this);

+		{

+			return Prado.CallbackRequest.enqueque(this);

+			//return Prado.CallbackRequest.dispatchPriorityRequest(this);

+		}

 		else

 			return Prado.CallbackRequest.dispatchNormalRequest(this);

 	},

 

+	abort : function()

+	{

+		return Prado.CallbackRequest.abortRequest(this.id);

+	},

+

 	/**

 	 * Collects the form inputs, encode the parameters, and sets the callback

 	 * target id. The resulting string is the request content body.