			/* Simple AJAX Code-Kit (SACK) v1.6.1 */
			/* ©2005 Gregory Wild-Smith */
			/* www.twilightuniverse.com */
			/* Software licenced under a modified X11 licence,
			   see documentation or authors website for more details */
			
			function sack(file) {
				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;
						}
					}
			
					// prevents caching of URLString
					this.setVar("rndval", new Date().getTime());
			
					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.runAJAX = 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 {
								this.xmlhttp.open(this.method, this.requestFile, 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.reset();
				this.createAJAX();
			}