function getXmlHttpRequestObject()
 	{
		if (window.XMLHttpRequest) 
		{
			return new XMLHttpRequest(); //Not IE
		} 
		else if(window.ActiveXObject) 
		{
			return new ActiveXObject("Microsoft.XMLHTTP"); //IE
		}
		else 
		{
		//Display your error message here. 
		//and inform the user they might want to upgrade
		//their browser.
			alert("Your browser doesn't support the XmlHttpRequest object.  Better upgrade to Firefox.");
		}
	}