/**
* 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;
    };
}};