var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version

var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));


function request()
{
	var req;
	if (window.XMLHttpRequest) { req = new XMLHttpRequest(); }
	else if (window.ActiveXObject) { req = new ActiveXObject('Microsoft.XMLHTTP'); }

	return req;
}

var http = request();