function sack(file){this.xmlhttp=null;this.resetData=function(){this.method="POST";this.queryStringSeparator="?";this.argumentSeparator="&";this.URLString="";this.encodeURIString=true;this.element=null;this.elementObj=null;this.requestFile=file;this.vars=new Object();this.responseStatus=new Array(2);this.use_tickets=true};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.parseResponse=function(){return eval("("+this.response+")")};this.runAJAX=function(urlstring,async){if(this.use_tickets){this.setVar("t",GetCookie(nk_options.auth.basic_auth_cookie_name))}if(typeof async=="undefined"||async==null){async=true}if(this.failed){this.onFail()}else{this.createURLString(urlstring);if(this.element){this.elementObj=document.getElementById(this.element)}if(this.xmlhttp){var _this=this;if(this.method=="GET"){totalurlstring=this.requestFile;if(this.URLString.length){if(totalurlstring.indexOf(this.queryStringSeparator)==-1){var separator=this.queryStringSeparator}else{var separator=this.argumentSeparator}totalurlstring+=separator+this.URLString}this.xmlhttp.open(this.method,totalurlstring,true)}else{this.xmlhttp.open(this.method,this.requestFile,async);try{this.xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded")}catch(e){}}try{this.xmlhttp.setRequestHeader("IsAjaxy","very")}catch(e){}this.xmlhttp.onreadystatechange=function(){switch(_this.xmlhttp.readyState){case 1:_this.onLoading();break;case 2:_this.onLoaded();break;case 3:_this.onInteractive();break;case 4:_this.response=misc_repair_utf8(_this.xmlhttp.responseText);_this.responseXML=_this.xmlhttp.responseXML;_this.responseStatus[0]=_this.xmlhttp.status;_this.responseStatus[1]=_this.xmlhttp.statusText;if(_this.elementObj){elemNodeName=_this.elementObj.nodeName;elemNodeName.toLowerCase();if(elemNodeName=="input"||elemNodeName=="select"||elemNodeName=="option"||elemNodeName=="textarea"){_this.elementObj.value=_this.response}else{_this.elementObj.innerHTML=_this.response}}if(_this.responseStatus[0]=="200"){_this.onCompletion()}else{_this.onError()}_this.URLString="";break}};this.xmlhttp.send(this.URLString)}}};this.reset();this.createAJAX()};