var xmlhttp = false;
var XMLHTTP_SUCCEED_CODE = 200;
var XMLHTTP_READY = 4;
function createXmlhttp() {
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		//if not, try older IE versions for even dumber people
		try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			xmlhttp = false;
		}
	}
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}

function loadPage (serverPage, contentDiv) {
	xmlhttp = createXmlhttp();
	obj = document.getElementById(contentDiv);
	xmlhttp.open("GET", serverPage);
	xmlhttp.onreadystatechange = function() {
	if (xmlhttp.readyState == XMLHTTP_READY && xmlhttp.status == XMLHTTP_SUCCEED_CODE) {
			obj.innerHTML = xmlhttp.responseText;
		}
	}
	xmlhttp.send(null);
}
function switchHomePhoto (time) {
	loadPage('modules/basic/view/homephoto.php?dummy='+time, 'topImage');
	var ts = Math.round((new Date()).getTime() / 1000);
	setTimeout(function(){switchHomePhoto(ts); ts = null},5000);  	
}