// JavaScript Document
var request = null;
function createRequest(){
	try	{ request = new XMLHttpRequest(); }
	catch (trymicrosoft)	{
		try	{
			request = new ActiveXObject("Msxm12.XMLHTTP");
		}
			catch (othermicrosoft)	{
				try	{
				request = new ActiveXObject("Microsoft.XMLHTTP");
			}	
				catch (failed)	{
					request = null;
				}
			}
	}
	if (request == null) alert("Error creating request object!");
}