AjaxHeader = new NewAjax();

var rnd = 0;

function LoadHeader() {
	rnd = Math.round(Math.random() * 329) + 1;
	AjaxHeader.open("GET", 'images/headerimages/' + rnd + '.jpg', true);
	AjaxHeader.onreadystatechange = ShowHeader;
	AjaxHeader.send(null);
}

function ShowHeader() {
	if(AjaxHeader.readyState == 4) {
		document.getElementById("headerimg").style.backgroundImage = "url('images/headerimages/" + rnd + ".jpg')";
	}
	else {
		document.getElementById("headerimg").style.backgroundImage = "url('images/design/loader.gif')";
	}
}