function changeContent(content, param) {
	xmlhttp = GetXmlHttpObject();
	if (xmlhttp == null) {
		alert("Your browser does not support AJAX!");
		return;
	}
	// Clear current content
	document.getElementById("main").innerHTML = "";
	var url = content;

	if(url.substring(0,7) == "images/"){
		url = "embedImage.php?file="+url.substring(7)+"&width=550&s=1";
		alert("URKL is "+url);
	}
	if(param){
		url += "?"+param;
	}
	xmlhttp.onreadystatechange = stateChanged;
	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
	return;
}

function displayImage(location, returnpath) {
	xmlhttp = GetXmlHttpObject();
	if (xmlhttp == null) {
		alert("Your browser does not support AJAX!");
		return;
	}
	// Clear current content
	document.getElementById("main").innerHTML = "";
	var url;
	url = "embedImage.php?file="+location.substring(7)+"&width=550&s=1";
	url = url+"&return="+returnpath;
	xmlhttp.onreadystatechange = stateChanged;
	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
	return;
}

function stateChanged() {
	if (xmlhttp.readyState == 4) {
		document.getElementById("main").innerHTML = xmlhttp.responseText;
	}
}

function GetXmlHttpObject() {
	if (window.XMLHttpRequest) {
		// code for IE7+, Firefox, Chrome, Opera, Safari
		return new XMLHttpRequest();
	}
	if (window.ActiveXObject) {
		// code for IE6, IE5
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}