function ajaxRequest()
{
	var activexmodes=["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"]; //activeX versions to check for in IE
	if (window.ActiveXObject)
	{ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
		for (var i=0; i <activexmodes.length; i++)
		{
			try
			{
				return new ActiveXObject(activexmodes[i])
			}
			catch(e)
			{
				//suppress error
			}
		}
	}
	else if (window.XMLHttpRequest) // if Mozilla, Safari etc
		return new XMLHttpRequest();
	else
		return false;
}