function getXMLHttpObject()
{
	var xmlHttp = null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	} catch( e ) {
		// Internet Exploder
		try {
			xmlHttp = new ActiveXObject( "Msxml2.XMLHTTP" );
		} catch( e ) {
			xmlHttp = new ActiveXObject( "Microsoft.XMLHTTP" );
		}
	}
	
	return xmlHttp;
}