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