function sack(file){ this.AjaxFailedAlert = "Your browser does not support the enhanced functionality of this website, and therefore you will have an experience that differs from the intended one.\n"; this.requestFile = file; this.method = "GET"; this.URLString = ""; this.encodeURIString = true; this.execute = false; this.onLoading = function() { }; this.onLoaded = function() { }; this.onInteractive = function() { }; this.onCompletion = function() { }; this.createAJAX = function() { try { this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");} catch (e) { try { this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");} catch (err) { this.xmlhttp = null;}
}
if(!this.xmlhttp && typeof XMLHttpRequest != "undefined")
this.xmlhttp = new XMLHttpRequest(); if (!this.xmlhttp){ this.failed = true;}
}; this.setVar = function(name, value){ if (this.URLString.length < 3){ this.URLString = name + "=" + value;} else { this.URLString += "&" + name + "=" + value;}
}
this.encVar = function(name, value){ var varString = encodeURIComponent(name) + "=" + encodeURIComponent(value); return varString;}
this.encodeURLString = function(string){ varArray = string.split('&'); for (i = 0; i < varArray.length; i++){ urlVars = varArray[i].split('='); if (urlVars[0].indexOf('amp;') != -1){ urlVars[0] = urlVars[0].substring(4);}
varArray[i] = this.encVar(urlVars[0],urlVars[1]);}
return varArray.join('&');}
this.runResponse = function(){ eval(this.response);}
this.runAJAX = function(urlstring){ this.responseStatus = new Array(2); if(this.failed && this.AjaxFailedAlert){ alert(this.AjaxFailedAlert);} else { if (urlstring){ if (this.URLString.length){ this.URLString = this.URLString + "&" + urlstring;} else { this.URLString = urlstring;}
}
if (this.encodeURIString){ var timeval = new Date().getTime(); this.URLString = this.encodeURLString(this.URLString); this.setVar("rndval", timeval);}
if (this.element) { this.elementObj = document.getElementById(this.element);}
if (this.xmlhttp) { var self = this; if (this.method == "GET") { var totalurlstring = this.requestFile + "?" + this.URLString; this.xmlhttp.open(this.method, totalurlstring, true);} else { this.xmlhttp.open(this.method, this.requestFile, true);}
if (this.method == "POST"){ try { this.xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded')
} catch (e) {}
}
this.xmlhttp.send(this.URLString); 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; self.onCompletion(); if(self.execute){ self.runResponse();}
if (self.elementObj) { var 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;}
}
self.URLString = ""; break;}
};}
}
}; this.createAJAX();}