function GetXmlHttpObject() {

	var xmlHttp=null;

	try {

		// Firefox, Opera 8.0+, Safari

		xmlHttp=new XMLHttpRequest();

	}

	catch (e) {

		// Internet Explorer

		try {

			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");

		}

		catch (e) {

			try {

				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");

			} 

			catch (e) {}

		}

	}

	return xmlHttp;

	/*if (!xmlHttp) {

		alert('Cannot create XMLHTTP instance');

		return false;

	} else return xmlHttp;*/

}