/**

 * 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.$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 _41=window.ActiveXObject||xr.setRequestHeader;

if(!this.method){

this.method=_41&&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"&&!_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;

};

}};