// Ajax Engine
if ( typeof XMLHttpRequest != "undefined" )
	{
	var Ajax	=	new XMLHttpRequest();	
	}
else if ( window.ActiveXObject )
	{
		var aVersions = ["MSXML2.XMLHTTP.5.0","MSXML.XMLHTTP.4.0","MSXML.XMLHTTP.3.0","MSXML.XMLHTTP","Microsoft.XMLHTTP"];
		for ( var i = 0 ; i < aVersions.length; i++ )
			{
			try {
				var Ajax = new ActiveXObject(aVersions[i])	;
				} catch (oError) { }
			}
	}
if ( !Ajax )
	{
	alert("آژاکس نصب نشد.");	
	}