function JsHttpRequest(){
		var t=this;
		t.onreadystatechange=null;
		t.readyState=0;
		t.responseText=null;
		t.responseXML=null;
		t.status=200;
		t.statusText="OK";
		t.responseJS=null;
		t.caching=false;
		t.loader=null;
		t.session_name="PHPSESSID";
		t._ldObj=null;
		t._reqHeaders=[];
		t._openArgs=null;
		t._errors={inv_form_el:"Invalid FORM element detected: name=%, tag=%",must_be_single_el:"If used, <form> must be a single HTML element in the list.",js_invalid:"JavaScript code generated by backend is invalid!\n%",url_too_long:"Cannot use so long query with GET request (URL is larger than % bytes)",unk_loader:"Unknown loader: %",no_loaders:"No loaders registered at all, please check JsHttpRequest.LOADERS array",no_loader_matched:"Cannot find a loader which may process the request. Notices are:\n%"};
		t.abort=function(){
			with(this){
				if(_ldObj&&_ldObj.abort){
			    	_ldObj.abort();
				};
				_cleanup();
				if(readyState==0){
				    return;
				};
				if(readyState==1&&!_ldObj){
				    readyState=0;
				    return;
				};
				_changeReadyState(4,true);
			};
		};
		t.open=function(_2,_3,_4,_5,_6){
			with(this){
				if(_3.match(/^((\w+)\.)?(GET|POST)\s+(.*)/i)){
					this.loader=RegExp.$2?RegExp.$2:null;
					_2=RegExp.$3;
					_3=RegExp.$4;
				};
				try{
					if(document.location.search.match(new RegExp("[&?]"+session_name+"=([^&?]*)"))||document.cookie.match(new RegExp("(?:;|^)\\s*"+session_name+"=([^;]*)"))){
					    _3+=(_3.indexOf("?")>=0?"&":"?")+session_name+"="+this.escape(RegExp.$1);
					};
				}
				catch(e){
				};
				_openArgs={method:(_2||"").toUpperCase(),url:_3,asyncFlag:_4,username:_5!=null?_5:"",password:_6!=null?_6:""};
				_ldObj=null;
				_changeReadyState(1,true);
				return true;
			};
		};
		t.send=function(_7){
			if(!this.readyState){
			    return;
			};
			this._changeReadyState(1,true);
			this._ldObj=null;
			var _8=[];
			var _9=[];
			if(!this._hash2query(_7,null,_8,_9)){
		    	return;
			};
			var _a=null;
			if(this.caching&&!_9.length){
				_a=this._openArgs.username+":"+this._openArgs.password+"@"+this._openArgs.url+"|"+_8+"#"+this._openArgs.method;
				var _b=JsHttpRequest.CACHE[_a];
				if(_b){
			    	this._dataReady(_b[0],_b[1]);
			    	return false;
				};
			};
			var _c=(this.loader||"").toLowerCase();
			if(_c&&!JsHttpRequest.LOADERS[_c]){
			    return this._error("unk_loader",_c);
			};
			var _d=[];
			var _e=JsHttpRequest.LOADERS;
			for(var _f in _e){
				var ldr=_e[_f].loader;
				if(!ldr){
				    continue;
				};
				if(_c&&_f!=_c){
			    	continue;
				};
				var _11=new ldr(this);
				JsHttpRequest.extend(_11,this._openArgs);
				JsHttpRequest.extend(_11,{queryText:_8.join("&"),queryElem:_9,id:(new Date().getTime())+""+JsHttpRequest.COUNT++,hash:_a,span:null});
				var _12=_11.load();
				if(!_12){
					this._ldObj=_11;
					JsHttpRequest.PENDING[_11.id]=this;
					return true;
				};
				if(!_c){
		    		_d[_d.length]="- "+_f.toUpperCase()+": "+this._l(_12);
				}else{
			    	return this._error(_12);
				};
			};
			return _f?this._error("no_loader_matched",_d.join("\n")):this._error("no_loaders");
		};
		t.getAllResponseHeaders=function(){
			with(this){
		    	return _ldObj&&_ldObj.getAllResponseHeaders?_ldObj.getAllResponseHeaders():[];
			};
		};
		t.getResponseHeader=function(_13){
			with(this){
		    	return _ldObj&&_ldObj.getResponseHeader?_ldObj.getResponseHeader(_13):null;
			};
		};
		t.setRequestHeader=function(_14,_15){
			with(this){
		    	_reqHeaders[_reqHeaders.length]=[_14,_15];
			};
		};
		t._dataReady=function(_16,js){
			with(this){
			if(caching&&_ldObj){
		    	JsHttpRequest.CACHE[_ldObj.hash]=[_16,js];
			};
			responseText=responseXML=_16;
			responseJS=js;
			if(js!==null){
				status=200;
				statusText="OK";
			}else{
				status=500;
				statusText="Internal Server Error";
			};
			_changeReadyState(2);
			_changeReadyState(3);
			_changeReadyState(4);
			_cleanup();
			};
		};
		t._l=function(_18){
		var i=0,p=0,msg=this._errors[_18[0]];
			while((p=msg.indexOf("%",p))>=0){
				var a=_18[++i]+"";
				msg=msg.substring(0,p)+a+msg.substring(p+1,msg.length);
				p+=1+a.length;
			};
			return msg;
		};
		t._error=function(msg){
			msg=this._l(typeof (msg)=="string"?arguments:msg);
			msg="JsHttpRequest: "+msg;
			if(!window.Error){
	    		throw msg;
			}else{
				if((new Error(1,"test")).description=="test"){
		    		throw new Error(1,msg);
				}else{
		    		throw new Error(msg);
				};
			};
		};
		t._hash2query=function(_1e,_1f,_20,_21){
			if(_1f==null){
	    		_1f="";
			};
			if((""+typeof (_1e)).toLowerCase()=="object"){
		    		var _22=false;
					if(_1e&&_1e.parentNode&&_1e.parentNode.appendChild&&_1e.tagName&&_1e.tagName.toUpperCase()=="FORM"){
						_1e={form:_1e};
					};
				for(var k in _1e){
					var v=_1e[k];
					if(v instanceof Function){
	    				continue;
					};
					var _25=_1f?_1f+"["+this.escape(k)+"]":this.escape(k);
					var _26=v&&v.parentNode&&v.parentNode.appendChild&&v.tagName;
					if(_26){
						var tn=v.tagName.toUpperCase();
						if(tn=="FORM"){
				    		_22=true;
						}else{
				    		if(tn=="INPUT"||tn=="TEXTAREA"||tn=="SELECT"){
							}else{
					    		return this._error("inv_form_el",(v.name||""),v.tagName);
							};
						};
						_21[_21.length]={name:_25,e:v};
					}else{
						if(v instanceof Object){
	    					this._hash2query(v,_25,_20,_21);
						}else{
							if(v===null){
				    			continue;
							};
							if(v===true){
		    					v=1;
							};
							if(v===false){
		    					v="";
							};
							_20[_20.length]=_25+"="+this.escape(""+v);
						};
					};
					if(_22&&_21.length>1){
					    return this._error("must_be_single_el");
					};
				};
			}else{
			    _20[_20.length]=_1e;
			};
			return true;
		};
		t._cleanup=function(){
			var _28=this._ldObj;
			if(!_28){
	    		return;
			};
			JsHttpRequest.PENDING[_28.id]=false;
			var _29=_28.span;
			if(!_29){
	    		return;
			};
			_28.span=null;
			var _2a=function(){
	    		_29.parentNode.removeChild(_29);
			};
			JsHttpRequest.setTimeout(_2a,50);
		};
		t._changeReadyState=function(s,_2c){
			with(this){
				if(_2c){
					status=statusText=responseJS=null;
					responseText="";
				};
				readyState=s;
				if(onreadystatechange){
		    		onreadystatechange();
				};
			};
		};
		t.escape=function(s){
		    return escape(s).replace(new RegExp("\\+","g"),"%2B");
		};
	}
	JsHttpRequest.COUNT=0;
	JsHttpRequest.MAX_URL_LEN=2000;
	JsHttpRequest.CACHE={};
	JsHttpRequest.PENDING={};
	JsHttpRequest.LOADERS={};
	JsHttpRequest._dummy=function(){};
    JsHttpRequest.TIMEOUTS={s:window.setTimeout,c:window.clearTimeout};
    JsHttpRequest.setTimeout=function(_2e,dt){
		window.JsHttpRequest_tmp=JsHttpRequest.TIMEOUTS.s;
		if(typeof (_2e)=="string"){
    		id=window.JsHttpRequest_tmp(_2e,dt);
		}else{
			var id=null;
			var _31=function(){
				_2e();
				delete JsHttpRequest.TIMEOUTS[id];
			};
			id=window.JsHttpRequest_tmp(_31,dt);
			JsHttpRequest.TIMEOUTS[id]=_31;
		};
		window.JsHttpRequest_tmp=null;
		return id;
	};
	JsHttpRequest.clearTimeout=function(id){
		window.JsHttpRequest_tmp=JsHttpRequest.TIMEOUTS.c;
		delete JsHttpRequest.TIMEOUTS[id];
		var r=window.JsHttpRequest_tmp(id);
		window.JsHttpRequest_tmp=null;
		return r;
	};
	JsHttpRequest.query=function(url,_35,_36,_37){
		var req=new this();
		req.caching=!_37;
		req.onreadystatechange=function(){
			if(req.readyState==4){
		    	_36(req.responseJS,req.responseText);
			};
/*
			if(req.readyState){
				_36(req.readyState);
			};
*/
		};
		req.open(null,url,true);
		req.send(_35);
	};
	JsHttpRequest.dataReady=function(d){
		var th=this.PENDING[d.id];
		delete this.PENDING[d.id];
		if(th){
    		th._dataReady(d.text,d.js);
		}else{
			if(th!==false){
		    	throw "dataReady(): unknown pending id: "+d.id;
			};
		};
	};
	JsHttpRequest.extend=function(_3b,src){
		for(var k in src){
	    	_3b[k]=src[k];
		};
	};
	JsHttpRequest.LOADERS.xml={
		loader:function(req){
			JsHttpRequest.extend(req._errors,{xml_no:"Cannot use XMLHttpRequest or ActiveX loader: not supported",xml_no_diffdom:"Cannot use XMLHttpRequest to load data from different domain %",xml_no_headers:"Cannot use XMLHttpRequest loader or ActiveX loader, POST method: headers setting is not supported, needed to work with encodings correctly",xml_no_form_upl:"Cannot use XMLHttpRequest loader: direct form elements using and uploading are not implemented"});
			this.load=function(){
				if(this.queryElem.length){
	    			return ["xml_no_form_upl"];
				};
				if(this.url.match(new RegExp("^([a-z]+://[^\\/]+)(.*)","i"))){
					if(RegExp.$1.toLowerCase()!=document.location.protocol+"//"+document.location.hostname.toLowerCase()){
			    		return ["xml_no_diffdom",RegExp.$1];
					};
				};
				var xr=null;
				if(window.XMLHttpRequest){
					try{
		    			xr=new XMLHttpRequest();
					}
					catch(e){
					};
				}else{
					if(window.ActiveXObject){
						try{
		    				xr=new ActiveXObject("Microsoft.XMLHTTP");
						}
						catch(e){
						};
						if(!xr){
							try{
				    			xr=new ActiveXObject("Msxml2.XMLHTTP");
							}
							catch(e){
							};
						};
					};
				};
				if(!xr){
				    return ["xml_no"];
				};
				var _40=window.ActiveXObject||xr.setRequestHeader;
				if(!this.method){
    				this.method=_40&&this.queryText.length?"POST":"GET";
				}
				if(this.method=="GET"){
					if(this.queryText){
		    			this.url+=(this.url.indexOf("?")>=0?"&":"?")+this.queryText;
					};
					this.queryText="";
					if(this.url.length>JsHttpRequest.MAX_URL_LEN){
		    			return ["url_too_long",JsHttpRequest.MAX_URL_LEN];
					};
				}else{
					if(this.method=="POST"&&!_40){
			    		return ["xml_no_headers"];
					};
				};
				this.url+=(this.url.indexOf("?")>=0?"&":"?")+"JsHttpRequest="+(req.caching?"0":this.id)+"-xml";
				var id=this.id;
				xr.onreadystatechange=function(){
					if(xr.readyState!=4){
	    				return;
					};
					xr.onreadystatechange=JsHttpRequest._dummy;
					req.status=null;
					try{
						req.status=xr.status;
						req.responseText=xr.responseText;
					}
					catch(e){
					};
					if(!req.status){
	    				return;
					};
					try{
	    				eval("JsHttpRequest._tmp = function(id) { var d = "+req.responseText+"; d.id = id; JsHttpRequest.dataReady(d); }");
					}
					catch(e){
	    				return req._error("js_invalid",req.responseText);
					};
					JsHttpRequest._tmp(id);
					JsHttpRequest._tmp=null;
				};
				xr.open(this.method,this.url,true,this.username,this.password);
				if(_40){
					for(var i=0;i<req._reqHeaders.length;i++){
		    			xr.setRequestHeader(req._reqHeaders[i][0],req._reqHeaders[i][1]);
					};
					xr.setRequestHeader("Content-Type","application/octet-stream");
				};
				xr.send(this.queryText);
				this.span=null;
				this.xr=xr;
				return null;
			};
			this.getAllResponseHeaders=function(){
    			return this.xr.getAllResponseHeaders();
			};
			this.getResponseHeader=function(_43){
    			return this.xr.getResponseHeader(_43);
			};
			this.abort=function(){
				this.xr.abort();
				this.xr=null;
			};
		}
	};
	JsHttpRequest.LOADERS.script={
		loader:function(req){
			JsHttpRequest.extend(req._errors,{script_only_get:"Cannot use SCRIPT loader: it supports only GET method",script_no_form:"Cannot use SCRIPT loader: direct form elements using and uploading are not implemented"});
			this.load=function(){
				if(this.queryText){
    				this.url+=(this.url.indexOf("?")>=0?"&":"?")+this.queryText;
				};
				this.url+=(this.url.indexOf("?")>=0?"&":"?")+"JsHttpRequest="+this.id+"-"+"script";
				this.queryText="";
				if(!this.method){
    				this.method="GET";
				};
				if(this.method!=="GET"){
    				return ["script_only_get"];
				};
				if(this.queryElem.length){
    				return ["script_no_form"];
				};
				if(this.url.length>JsHttpRequest.MAX_URL_LEN){
    				return ["url_too_long",JsHttpRequest.MAX_URL_LEN];
				};
				var th=this,d=document,s=null,b=d.body;
				if(!window.opera){
					this.span=s=d.createElement("SCRIPT");
					var _49=function(){
						s.language="JavaScript";
						if(s.setAttribute){
    						s.setAttribute("src",th.url);
						}else{
	    					s.src=th.url;
						};
						b.insertBefore(s,b.lastChild);
					};
				}else{
					this.span=s=d.createElement("SPAN");
					s.style.display="none";
					b.insertBefore(s,b.lastChild);
					s.innerHTML="Workaround for IE.<s"+"cript></"+"script>";
					var _49=function(){
						s=s.getElementsByTagName("SCRIPT")[0];
						s.language="JavaScript";
						if(s.setAttribute){
			    			s.setAttribute("src",th.url);
						}else{
			    			s.src=th.url;
						};
					};
				};
				JsHttpRequest.setTimeout(_49,10);
				return null;
			};
	    }
    };
	JsHttpRequest.LOADERS.form={
		loader:function(req){
			JsHttpRequest.extend(req._errors,{form_el_not_belong:"Element \"%\" does not belong to any form!",form_el_belong_diff:"Element \"%\" belongs to a different form. All elements must belong to the same form!",form_el_inv_enctype:"Attribute \"enctype\" of the form must be \"%\" (for IE), \"%\" given."});
			this.load=function(){
				var th=this;
				if(!th.method){
	    			th.method="POST";
				};
				th.url+=(th.url.indexOf("?")>=0?"&":"?")+"JsHttpRequest="+th.id+"-"+"form";
				if(th.method=="GET"){
					if(th.queryText){
			    		th.url+=(th.url.indexOf("?")>=0?"&":"?")+th.queryText;
					};
					if(th.url.length>JsHttpRequest.MAX_URL_LEN){
	    				return ["url_too_long",JsHttpRequest.MAX_URL_LEN];
					};
					var p=th.url.split("?",2);
					th.url=p[0];
					th.queryText=p[1]||"";
				};
				var _4d=null;
				var _4e=false;
				if(th.queryElem.length){
					if(th.queryElem[0].e.tagName.toUpperCase()=="FORM"){
						_4d=th.queryElem[0].e;
						_4e=true;
						th.queryElem=[];
					}else{
						_4d=th.queryElem[0].e.form;
						for(var i=0;i<th.queryElem.length;i++){
							var e=th.queryElem[i].e;
							if(!e.form){
		    					return ["form_el_not_belong",e.name];
							};
							if(e.form!=_4d){
		    					return ["form_el_belong_diff",e.name];
							};
						};
					};
					if(th.method=="POST"){
						var _51="multipart/form-data";
						var _52=(_4d.attributes.encType&&_4d.attributes.encType.nodeValue)||(_4d.attributes.enctype&&_4d.attributes.enctype.value)||_4d.enctype;
						if(_52!=_51){
			    			return ["form_el_inv_enctype",_51,_52];
						};
					};
				};
				var d=_4d&&(_4d.ownerDocument||_4d.document)||document;
				var _54="jshr_i_"+th.id;
				var s=th.span=d.createElement("DIV");
				s.style.position="absolute";
				s.style.display="none";
				s.style.visibility="hidden";
				s.innerHTML=(_4d?"":"<form"+(th.method=="POST"?" enctype=\"multipart/form-data\" method=\"post\"":"")+"></form>")+"<iframe name=\""+_54+"\" id=\""+_54+"\" style=\"width:0px; height:0px; overflow:hidden; border:none\"></iframe>";
				if(!_4d){
	    			_4d=th.span.firstChild;
				};
				d.body.insertBefore(s,d.body.lastChild);
				var _56=function(e,_58){
					var sv=[];
					var _5a=e;
					if(e.mergeAttributes){
						var _5a=d.createElement("form");
						_5a.mergeAttributes(e,false);
					};
					for(var i=0;i<_58.length;i++){
						var k=_58[i][0],v=_58[i][1];
						sv[sv.length]=[k,_5a.getAttribute(k)];
						_5a.setAttribute(k,v);
					};
					if(e.mergeAttributes){
		    			e.mergeAttributes(_5a,false);
					};
					return sv;
				};
				var _5e=function(){
					top.JsHttpRequestGlobal=JsHttpRequest;
					var _5f=[];
					if(!_4e){
						for(var i=0,n=_4d.elements.length;i<n;i++){
							_5f[i]=_4d.elements[i].name;
							_4d.elements[i].name="";
						};
					};
					var qt=th.queryText.split("&");
					for(var i=qt.length-1;i>=0;i--){
						var _63=qt[i].split("=",2);
						var e=d.createElement("INPUT");
						e.type="hidden";
						e.name=unescape(_63[0]);
						e.value=_63[1]!=null?unescape(_63[1]):"";
						_4d.appendChild(e);
					};
					for(var i=0;i<th.queryElem.length;i++){
	    				th.queryElem[i].e.name=th.queryElem[i].name;
					};
					var sv=_56(_4d,[["action",th.url],["method",th.method],["onsubmit",null],["target",_54]]);
					_4d.submit();
					_56(_4d,sv);
					for(var i=0;i<qt.length;i++){
	    				_4d.lastChild.parentNode.removeChild(_4d.lastChild);
					};
					if(!_4e){
						for(var i=0,n=_4d.elements.length;i<n;i++){
		    				_4d.elements[i].name=_5f[i];
						};
					};
				};
				JsHttpRequest.setTimeout(_5e,100);
				return null;
			};
		}
	};