/**
* 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%"};
	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);
		}
	};
	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;
	};
}};