var xmlHttp = null;
var xmlHttp2 = null;
var xmlHttp3 = null;


function GetXmlHttpObject() {
	try { // Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e) { // Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
	    catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
}
function GetXmlHttpObject2() {
	try { // Firefox, Opera 8.0+, Safari
		xmlHttp2=new XMLHttpRequest();
	}
	catch (e) { // Internet Explorer
		try {
			xmlHttp2=new ActiveXObject("Msxml2.XMLHTTP");
		}
	    catch (e) {
			xmlHttp2=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
}
function GetXmlHttpObject3() {
	try { // Firefox, Opera 8.0+, Safari
		xmlHttp3=new XMLHttpRequest();
	}
	catch (e) { // Internet Explorer
		try {
			xmlHttp3=new ActiveXObject("Msxml2.XMLHTTP");
		}
	    catch (e) {
			xmlHttp3=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
}