// JavaScript Document
var xmlhttp;
function getXMLHttpObject() {
	var xmlhttp;
	if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
		xmlhttp=new XMLHttpRequest();
	}
	else {// code for IE6, IE5
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
	return xmlhttp;
}