function ajaxFactory()
{
var x;
try	{
	// Firefox, Opera 8.0+, Safari
		x=new XMLHttpRequest();
	}
catch (e)
	{
	// Internet Explorer
	try	{
			x=new ActiveXObject("Msxml2.XMLHTTP");
		}
	catch (e)
		{
		try	{
				x=new ActiveXObject("Microsoft.XMLHTTP");
			}
		catch (e)
			{
				x=false;
			}
		}
	}
	return x;
}