var xmlhttp;
function ajaxFunction(url) {
	url += '.html';
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null) {
	  alert ("Your browser does not support AJAX!");
	  return;
	}
	xmlhttp.open('get',url,true);
	xmlhttp.onreadystatechange = stateChanged;
	xmlhttp.send(null);
}
function showContent() {
	document.getElementById("content_delay").style.display = 'none';
	document.getElementById("content_div").style.display = 'block';
	document.getElementById("content_div").innerHTML=xmlhttp.responseText;
}
function stateChanged() {
	if (xmlhttp.readyState==4) {
		window.setTimeout("showContent()", 500);
	} else {
		document.getElementById("content_delay").style.display = 'block';
		document.getElementById("content_div").style.display = 'none';
	}
}
function GetXmlHttpObject() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	}
	if (window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}