/**
* JsHttpRequest: JavaScript "AJAX" data loader
* Minimized version: see debug directory for the complete one.
*
* @license LGPL
* @author Dmitry Koterov, http://en.dklab.ru/lib/JsHttpRequest/
* @version 5.x $Id$
*/
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%",no_headers:"Method setRequestHeader() cannot work together with the % loader."};
	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){
			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():[];
		}
	};
	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];
			}
			if(_16!==null||js!==null){
				status=4;
				responseText=responseXML=_16;
				responseJS=js;
			}else{
				status=500;
				responseText=responseXML=responseJS=null;
			}
			_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);
		}
	};
	var _39=null;
	if(url.match(/^((\w+)\.)?(GET|POST)\s+(.*)/i)){
	req.loader=RegExp.$2?RegExp.$2:null;
	_39=RegExp.$3;
	url=RegExp.$4;
}
req.open(_39,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(_3c,src){
	for(var k in src){
		_3c[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.$2.toLowerCase()==document.location.hostname.toLowerCase()){
				this.url=RegExp.$3;
			}else{
				return ["xml_no_diffdom",RegExp.$2];
			}
		}
		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 _41=window.ActiveXObject||xr.setRequestHeader;
		if(!this.method){
			this.method=_41?"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"&&!_41){
				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(_41){
			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(_44){
		return this.xr.getResponseHeader(_44);
	};
	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];
		}
		if(req._reqHeaders.length){
			return ["no_headers","SCRIPT"];
		}
		var th=this,d=document,s=null,b=d.body;
		if(!window.opera){
			this.span=s=d.createElement("SCRIPT");
			var _4a=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 _4a=function(){
				s=s.getElementsByTagName("SCRIPT")[0];
				s.language="JavaScript";
				if(s.setAttribute){
					s.setAttribute("src",th.url);
				}else{
					s.src=th.url;
				}
			};
		}
		JsHttpRequest.setTimeout(_4a,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(req._reqHeaders.length){
			return ["no_headers","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 _4e=null;
		var _4f=false;
		if(th.queryElem.length){
			if(th.queryElem[0].e.tagName.toUpperCase()=="FORM"){
				_4e=th.queryElem[0].e;
				_4f=true;
				th.queryElem=[];
			}else{
				_4e=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!=_4e){
						return ["form_el_belong_diff",e.name];
					}
				}
			}
			if(th.method=="POST"){
				var _52="multipart/form-data";
				var _53=(_4e.attributes.encType&&_4e.attributes.encType.nodeValue)||(_4e.attributes.enctype&&_4e.attributes.enctype.value)||_4e.enctype;
				if(_53!=_52){
					return ["form_el_inv_enctype",_52,_53];
				}
			}
		}
		var d=_4e&&(_4e.ownerDocument||_4e.document)||document;
		var _55="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=(_4e?"":"<form"+(th.method=="POST"?" enctype=\"multipart/form-data\" method=\"post\"":"")+"></form>")+"<iframe name=\""+_55+"\" id=\""+_55+"\" style=\"width:0px; height:0px; overflow:hidden; border:none\"></iframe>";
		if(!_4e){
			_4e=th.span.firstChild;
		}
		d.body.insertBefore(s,d.body.lastChild);
		var _57=function(e,_59){
			var sv=[];
			var _5b=e;
			if(e.mergeAttributes){
				var _5b=d.createElement("form");
				_5b.mergeAttributes(e,false);
			}
			for(var i=0;i<_59.length;i++){
				var k=_59[i][0],v=_59[i][1];
				sv[sv.length]=[k,_5b.getAttribute(k)];
				_5b.setAttribute(k,v);
			}
			if(e.mergeAttributes){
				e.mergeAttributes(_5b,false);
			}
			return sv;
		};
		var _5f=function(){
			top.JsHttpRequestGlobal=JsHttpRequest;
			var _60=[];
			if(!_4f){
				for(var i=0,n=_4e.elements.length;i<n;i++){
					_60[i]=_4e.elements[i].name;
					_4e.elements[i].name="";
				}
			}
			var qt=th.queryText.split("&");
			for(var i=qt.length-1;i>=0;i--){
				var _64=qt[i].split("=",2);
				var e=d.createElement("INPUT");
				e.type="hidden";
				e.name=unescape(_64[0]);
				e.value=_64[1]!=null?unescape(_64[1]):"";
				_4e.appendChild(e);
			}
			for(var i=0;i<th.queryElem.length;i++){
				th.queryElem[i].e.name=th.queryElem[i].name;
			}
			var sv=_57(_4e,[["action",th.url],["method",th.method],["onsubmit",null],["target",_55]]);
			_4e.submit();
			_57(_4e,sv);
			for(var i=0;i<qt.length;i++){
				_4e.lastChild.parentNode.removeChild(_4e.lastChild);
			}
			if(!_4f){
				for(var i=0,n=_4e.elements.length;i<n;i++){
					_4e.elements[i].name=_60[i];
				}
			}
		};
		JsHttpRequest.setTimeout(_5f,100);
		return null;
	};
}};

