/**


 * 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, div_id, id_div_loader, content_loader){


    var req=new this();


    req.caching=!_37;


    req.onreadystatechange=function(){


        //alert('req.readyState='+req.readyState);


        if(req.readyState==4){


            document.getElementById(id_div_loader).innerHTML = '';


            _36(req.responseJS,req.responseText);


        }


        else{


            document.getElementById(div_id).innerHTML = '';


            document.getElementById(id_div_loader).innerHTML = content_loader;


        }


    };


    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;


    };


}};