/**
 * Subsys_JsHttpRequest_Js: JavaScript DHTML data loader. (C) 2005 Dmitry
 * Koterov, http://forum.dklab.ru/users/DmitryKoterov/
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version. See http://www.gnu.org/copyleft/lesser.html
 *
 * Do not remove this comment if you want to use script!
 * Не удаляйте данный комментарий, если вы хотите использовать скрипт!
 * Что то на русском языке
 *
 * This library tries to use XMLHttpRequest (if available), and on failure - use
 * dynamically created <script> elements. Backend code is the same for both
 * cases.
 *
 * @author Dmitry Koterov
 * @version 3.26
 */

function Subsys_JsHttpRequest_Js(){this._construct();}(function(){var COUNT=0;var PENDING={};var CACHE={};Subsys_JsHttpRequest_Js.dataReady=function(id,text,js){var undef;var th=PENDING[id];delete PENDING[id];if(th){delete th._xmlReq;if(th.caching){CACHE[th.hash]=[text,js];}th._dataReady(text,js);}else{if(typeof(th)!=typeof(undef)){alert("ScriptLoader: unknown pending id: "+id);}}};Subsys_JsHttpRequest_Js.prototype={onreadystatechange:null,readyState:0,responseText:null,responseXML:null,status:200,statusText:"OK",session_name:"PHPSESSID",responseJS:null,caching:false,_span:null,_id:null,_xmlReq:null,_openArg:null,_reqHeaders:null,abort:function(){if(this._xmlReq){return this._xmlReq.abort();}if(this._span){this.readyState=0;if(this.onreadystatechange){this.onreadystatechange();}this._cleanupScript();}},open:function(method,url,asyncFlag,username,password){this._openArg={method:method,url:url,asyncFlag:asyncFlag,username:username,password:password};this._id=null;this._xmlReq=null;this._reqHeaders=[];return true;},send:function(content,id){if(!id){id=(new Date().getTime())+""+COUNT++;}var query=this._hash2query(content);var url=this._openArg.url;var sid=this._getSid();if(sid){url+=(url.indexOf("?")>=0?"&":"?")+this.session_name+"="+this.escape(sid);}var hash=this.hash=url+"?"+query;if(this.caching&&CACHE[hash]){var c=CACHE[hash];this._dataReady(c[0],c[1]);return false;}this._xmlReq=this._obtainXmlReq(id,url);var hasSetHeader=this._xmlReq&&(window.ActiveXObject||this._xmlReq.setRequestHeader);var href,body;if(this._xmlReq&&hasSetHeader&&(""+this._openArg.method).toUpperCase()=="POST"){this._openArg.method="POST";href=url;body=query;}else{this._openArg.method="GET";href=url+(url.indexOf("?")>=0?"&":"?")+query;body=null;}href=href+(href.indexOf("?")>=0?"&":"?")+"id="+id+"&"+id;PENDING[id]=this;if(this._xmlReq){var a=this._openArg;this._xmlReq.open(a.method,href+"-xml",a.asyncFlag,a.username,a.password);if(hasSetHeader){for(var i=0;i<this._reqHeaders.length;i++){this._xmlReq.setRequestHeader(this._reqHeaders[i][0],this._reqHeaders[i][1]);}this._xmlReq.setRequestHeader("Content-Type","application/octet-stream");}return this._xmlReq.send(body);}else{this._obtainScript(id,href);return true;}},getAllResponseHeaders:function(){if(this._xmlReq){return this._xmlReq.getAllResponseHeaders();}return"";},getResponseHeader:function(label){if(this._xmlReq){return this._xmlReq.getResponseHeader(label);}return"";},setRequestHeader:function(label,value){this._reqHeaders[this._reqHeaders.length]=[label,value];},_construct:function(){},_dataReady:function(text,js){with(this){if(text!==null||js!==null){readyState=4;responseText=responseXML=text;responseJS=js;}else{readyState=0;responseText=responseXML=responseJS=null;}if(onreadystatechange){onreadystatechange();}_cleanupScript();}},_obtainXmlReq:function(id,url){if(url.match(new RegExp("^[a-z]+://","i"))){return null;}var req=null;if(window.XMLHttpRequest){try{req=new XMLHttpRequest();}catch(e){}}else{if(window.ActiveXObject){try{req=new ActiveXObject("Microsoft.XMLHTTP");}catch(e){}if(!req){try{req=new ActiveXObject("Msxml2.XMLHTTP");}catch(e){}}}}if(req){var th=this;req.onreadystatechange=function(){if(req.readyState==4){var responseText=req.responseText;try{eval(responseText);}catch(e){Subsys_JsHttpRequest_Js.dataReady(id,"JavaScript code generated by backend is invalid!\n"+responseText,null);}}else{th.readyState=req.readyState;if(th.onreadystatechange){th.onreadystatechange();}}};this._id=id;}return req;},_obtainScript:function(id,href){with(document){var span=null;span=body.appendChild(createElement("SPAN"));span.style.display="none";span.innerHTML="Text for stupid IE.<script><\/script>";setTimeout(function(){var s=span.getElementsByTagName("script")[0];s.language="JavaScript";if(s.setAttribute){s.setAttribute("src",href);}else{s.src=href;}},10);this._id=id;this._span=span;}},_cleanupScript:function(){var span=this._span;if(span){this._span=null;setTimeout(function(){span.parentNode.removeChild(span);},50);}return false;},_hash2query:function(content,prefix){if(prefix==null){prefix="";}var query=[];if(content instanceof Object){for(var k in content){var v=content[k];if(v.constructor.prototype[k]){continue;}var curPrefix=prefix?prefix+"["+this.escape(k)+"]":this.escape(k);if(v instanceof Object){query[query.length]=this._hash2query(v,curPrefix);}else{query[query.length]=curPrefix+"="+this.escape(v);}}}else{query=[content];}return query.join("&");},_getSid:function(){var m=document.location.search.match(new RegExp("[&?]"+this.session_name+"=([^&?]*)"));var sid=null;if(m){sid=m[1];}else{var m=document.cookie.match(new RegExp(s="(;|^)\\s*"+this.session_name+"=([^;]*)"));if(m){sid=m[2];}}return sid;},escape:function(s){return escape(s).replace(new RegExp("\\+","g"),"%2B");}};})();