function Subsys_JsHttpRequest_Js(){this._construct()}
(function(){var COUNT=0;var PENDING={};var CACHE={};Subsys_JsHttpRequest_Js.dataReady=function(id,text,js){var undef;var th=PENDING[id];delete PENDING[id];if(th){delete th._xmlReq;if(th.caching)CACHE[th.hash]=[text,js];th._dataReady(text,js);}else if(typeof(th)!=typeof(undef)){alert("ScriptLoader: unknown pending id: "+id);}}
Subsys_JsHttpRequest_Js.prototype={onreadystatechange:null,readyState:0,responseText:null,responseXML:null,status:200,statusText:"OK",session_name:"PHPSESSID",responseJS:null,caching:false,fallbackToScript:false,_span:null,_id:null,_xmlReq:null,_openArg:null,_reqHeaders:null,dummy:function(){},abort:function(){if(this._xmlReq)return this._xmlReq.abort();if(this._span){this.readyState=0;if(this.onreadystatechange)this.onreadystatechange();this._cleanupScript();}},open:function(method,url,asyncFlag,username,password){this._openArg={'method':method,'url':url,'asyncFlag':asyncFlag,'username':username!=null?username:'','password':password!=null?password:''};this._id=null;this._xmlReq=null;this._reqHeaders=[];return true;},send:function(content){var id=(new Date().getTime())+""+COUNT++;var query=this._hash2query(content);var url=this._openArg.url;var sid=this._getSid();if(sid)url+=(url.indexOf('?')>=0?'&':'?')+this.session_name+"="+this.escape(sid);var hash=this.hash=url+'?'+query;if(this.caching&&CACHE[hash]){var c=CACHE[hash];this._dataReady(c[0],c[1]);return false;}
this._xmlReq=this._obtainXmlReq(id,url);var hasSetHeader=this._xmlReq&&(window.ActiveXObject||this._xmlReq.setRequestHeader);var href,body;var method=(""+this._openArg.method).toUpperCase();if(this._xmlReq&&hasSetHeader&&method=="POST"){this._openArg.method="POST";href=url;body=query;}else{if(method!='GET'&&!this.fallbackToScript&&query.length>2000){throw'Cannot use XMLHttpRequest nor Microsoft.XMLHTTP for long POST query: object not implemented or disabled in browser.';}
this._openArg.method="GET";href=url+(url.indexOf('?')>=0?'&':'?')+query;body=null;}
href=href+(href.indexOf('?')>=0?'&':'?')+id;PENDING[id]=this;if(this._xmlReq){var a=this._openArg;this._xmlReq.open(a.method,href+"-xml",a.asyncFlag,a.username,a.password);if(hasSetHeader){for(var i=0;i<this._reqHeaders.length;i++)
this._xmlReq.setRequestHeader(this._reqHeaders[i][0],this._reqHeaders[i][1]);this._xmlReq.setRequestHeader('Content-Type','application/octet-stream');}
return this._xmlReq.send(body);}else{this._obtainScript(id,href);return true;}},getAllResponseHeaders:function(){if(this._xmlReq)return this._xmlReq.getAllResponseHeaders();return'';},getResponseHeader:function(label){if(this._xmlReq)return this._xmlReq.getResponseHeader(label);return'';},setRequestHeader:function(label,value){this._reqHeaders[this._reqHeaders.length]=[label,value];},_construct:function(){},_dataReady:function(text,js){with(this){if(text!==null||js!==null){readyState=4;responseText=responseXML=text;responseJS=js;}else{readyState=0;responseText=responseXML=responseJS=null;}
if(onreadystatechange)onreadystatechange();_cleanupScript();}},_obtainXmlReq:function(id,url){var p=url.match(new RegExp('^[a-z]+://(.*)','i'));if(p){var curHost=document.location.host.toLowerCase();if(p[1].substring(0,curHost.length).toLowerCase()==curHost){url=p[1].substring(curHost.length,p[1].length);}else{return null;}}
var req=null;if(window.XMLHttpRequest){try{req=new XMLHttpRequest()}catch(e){}}else if(window.ActiveXObject){try{req=new ActiveXObject("Microsoft.XMLHTTP")}catch(e){}
if(!req)try{req=new ActiveXObject("Msxml2.XMLHTTP")}catch(e){}}
if(req){var th=this;req.onreadystatechange=function(){var s=req.readyState;if(s==4){req.onreadystatechange=th.dummy;var responseText=req.responseText;try{eval(responseText);}catch(e){Subsys_JsHttpRequest_Js.dataReady(id,"JavaScript code generated by backend is invalid!\n"+responseText,null);}}else{th.readyState=s;if(th.onreadystatechange)th.onreadystatechange()}};this._id=id;}
return req;},_obtainScript:function(id,href){with(document){var span=null;var span=createElement("SPAN");span.style.display='none';body.appendChild(span);span.innerHTML='Text for stupid IE.<s'+'cript></'+'script>';setTimeout(function(){var s=span.getElementsByTagName("script")[0];s.language="JavaScript";if(s.setAttribute)s.setAttribute('src',href);else s.src=href;},10);this._id=id;this._span=span;}},_cleanupScript:function(){var span=this._span;if(span){this._span=null;setTimeout(function(){span.parentNode.removeChild(span);},50);}
return false;},_hash2query:function(content,prefix){if(prefix==null)prefix="";var query=[];if(content instanceof Object){for(var k in content){var v=content[k];if(v==null||((v.constructor||{}).prototype||{})[k])continue;var curPrefix=prefix?prefix+'['+this.escape(k)+']':this.escape(k);if(v instanceof Object)
query[query.length]=this._hash2query(v,curPrefix);else
query[query.length]=curPrefix+"="+this.escape(v);}}else{query=[content];}
return query.join('&');},_getSid:function(){var m=document.location.search.match(new RegExp('[&?]'+this.session_name+'=([^&?]*)'));var sid=null;if(m){sid=m[1];}else{var m=document.cookie.match(new RegExp('(;|^)\\s*'+this.session_name+'=([^;]*)'));if(m)sid=m[2];}
return sid;},escape:function(s){return escape(s).replace(new RegExp('\\+','g'),'%2B');}}})();