function div_loader(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;
			}
		}
		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;
							/*MH: 3/13/09 commented self.responsestatus[1] and added text below to stop an error */
							var status = "";
							try{
							  status = self.xmlhttp.statusText;
								}
							catch(e){
							  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();
}