function getHTTPObject()
{
	var xmlhttp;
	if(window.XMLHttpRequest)
	{
		xmlhttp = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		if (!xmlhttp)
		{
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
	}
	return xmlhttp;
}		
var http = getHTTPObject(); // We create the HTTP Object