var XmlHttp = null;
function CreateXmlHttp()
{
	//Creating object of XMLHTTP in IE
				
	try
	{
		XmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e)
	{
		try
		{
			XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(E)
		{
			XmlHttp = null;
		}
	}
				
	//Creating object of XMLHTTP in Mozilla and Safari
	if(!XmlHttp && typeof XMLHttpRequest != "undefined")
	{
		XmlHttp = new XMLHttpRequest();
	}	
}