function createXMLHttpRequest()
{
	var xmlhttp = false;
	
	try 
	{
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} 
	catch (e) 
	{
		try 
		{
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} 
		catch (E) 
		{
			xmlhttp = false;
		}
	}

	if (!xmlhttp && typeof XMLHttpRequest!='undefined') 
	{
		xmlhttp = new XMLHttpRequest();
	}
		
	return xmlhttp;
}