function ExtSack(file){this.RPC_RESPONSE_ALERT=0;this.RPC_RESPONSE_ACCEPT=1;this.xmlhttp=null;this.resetData=function(){this.method="POST";this.queryStringSeparator="?";this.argumentSeparator="&";this.URLString="";this.encodeURIString=true;this.execute=false;this.element=null;this.elementObj=null;this.requestFile=file;this.vars=new Object();this.responseStatus=new Array(2)};this.resetFunctions=function(){this.onLoading=function(){};this.onLoaded=function(){};this.onInteractive=function(){};this.onCompletion=function(){};this.onError=function(){};this.onFail=function(){}};this.reset=function(){this.resetFunctions();this.resetData()};this.createAJAX=function(){try{this.xmlhttp=new ActiveXObject("Msxml2.XMLHTTP")}catch(e1){try{this.xmlhttp=new ActiveXObject("Microsoft.XMLHTTP")}catch(e2){this.xmlhttp=null}}if(!this.xmlhttp){if(typeof XMLHttpRequest!="undefined"){this.xmlhttp=new XMLHttpRequest()}else{this.failed=true}}};this.setVar=function(name,value){this.vars[name]=Array(value,false)};this.encVar=function(name,value,returnvars){if(true==returnvars){return Array(encodeURIComponent(name),encodeURIComponent(value))}else{this.vars[encodeURIComponent(name)]=Array(encodeURIComponent(value),true)}};this.processURLString=function(string,encode){encoded=encodeURIComponent(this.argumentSeparator);regexp=new RegExp(this.argumentSeparator+"|"+encoded);varArray=string.split(regexp);for(i=0;i<varArray.length;i++){urlVars=varArray[i].split("=");if(true==encode){this.encVar(urlVars[0],urlVars[1])}else{this.setVar(urlVars[0],urlVars[1])}}};this.createURLString=function(urlstring){if(this.encodeURIString&&this.URLString.length){this.processURLString(this.URLString,true)}if(urlstring){if(this.URLString.length){this.URLString+=this.argumentSeparator+urlstring}else{this.URLString=urlstring}}urlstringtemp=new Array();for(key in this.vars){if(false==this.vars[key][1]&&true==this.encodeURIString){encoded=this.encVar(key,this.vars[key][0],true);delete this.vars[key];this.vars[encoded[0]]=Array(encoded[1],true);key=encoded[0]}urlstringtemp[urlstringtemp.length]=key+"="+this.vars[key][0]}if(urlstring){this.URLString+=this.argumentSeparator+urlstringtemp.join(this.argumentSeparator)}else{this.URLString+=urlstringtemp.join(this.argumentSeparator)}};this.runResponse=function(){eval(this.response)};this.send=function(urlstring){if(this.failed){this.onFail()}else{this.createURLString(urlstring);if(this.element){this.elementObj=document.getElementById(this.element)}if(this.xmlhttp){var self=this;if(this.method=="GET"){totalurlstring=this.requestFile+this.queryStringSeparator+this.URLString;this.xmlhttp.open(this.method,totalurlstring,true)}else{var requestUrl=this.requestFile+"&res="+new Date().getTime();this.xmlhttp.open(this.method,requestUrl,true);try{this.xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded")}catch(e){}}this.xmlhttp.onreadystatechange=function(){switch(self.xmlhttp.readyState){case 1:self.onLoading();break;case 2:self.onLoaded();break;case 3:self.onInteractive();break;case 4:self.response=self.xmlhttp.responseText;self.responseXML=self.xmlhttp.responseXML;self.responseStatus[0]=self.xmlhttp.status;self.responseStatus[1]=self.xmlhttp.statusText;if(self.execute){self.runResponse()}if(self.elementObj){elemNodeName=self.elementObj.nodeName;elemNodeName.toLowerCase();if(elemNodeName=="input"||elemNodeName=="select"||elemNodeName=="option"||elemNodeName=="textarea"){self.elementObj.value=self.response}else{self.elementObj.innerHTML=self.response}}if(self.responseStatus[0]=="200"){self.onCompletion()}else{self.onError()}self.URLString="";break}};this.xmlhttp.send(this.URLString)}}};this.getResponseMessage=function(){var buffer=this.response.split(String.fromCharCode(1));return buffer};this.loadXMLString=function(txt){try{xmlDoc=new ActiveXObject("Microsoft.XMLDOM");xmlDoc.async="false";xmlDoc.loadXML(txt);return(xmlDoc)}catch(e){try{parser=new DOMParser();xmlDoc=parser.parseFromString(txt,"text/xml");return(xmlDoc)}catch(e){alert(e.message)}}return(null)};this.convertXmlToDomChild=function(xmlDocument){var firstChild=xmlDocument.firstChild;var domChild=document.createElement(firstChild.nodeName);this.convertXMLChild(domChild,firstChild);return domChild.firstChild};this.setProgressText=function(text,progressContainerNodeName){var progressContainer=document.getElementById(progressContainerNodeName);if(progressContainer.childNodes.length==0){var progressContent=document.createTextNode(text);progressContainer.appendChild(progressContent)}else{progressContainer.firstChild.nodeValue=text}};this.convertXMLChild=function(domChild,nextXMLSibling){if(nextXMLSibling.nodeType==1){var newChild=document.createElement(nextXMLSibling.nodeName);for(var i=0;i<nextXMLSibling.attributes.length;i++){var attr=nextXMLSibling.attributes[i];newChild.setAttribute(attr.name,attr.value)}for(var i=0;i<nextXMLSibling.childNodes.length;i++){var nextInnerSibling=nextXMLSibling.childNodes[i];this.convertXMLChild(newChild,nextInnerSibling)}domChild.appendChild(newChild)}else{if(nextXMLSibling.nodeType==3){var newChild=document.createTextNode(nextXMLSibling.nodeValue);domChild.appendChild(newChild)}}};this.reset();this.createAJAX()};