function jumptocourse(menu) {

	var ref=menu.choice.options[menu.choice.selectedIndex].value;
	
	if (ref != "") {
		fullref = "course_" + ref + ".html";	
		window.location=fullref;
	}	
}

function openWindow(url, name) {
	var newWindow;	
	var features = 'toolbar=yes,location=no,dependent=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,top=1,left=1,width=700,height=400';
	newWindow = window.open(url,name,features);
}

function submitForm(form) {
	document.forms[form].submit();
}

function submitConferenceForm(form, optionname, optionvalue) {
	var doc = document.forms['conference'];
	
	doc.on0.value = optionname;
	doc.os0.value = optionvalue;
	doc.submit();
}

function closeWindow() {
	window.close();
}

function contact(address, display) {
	document.write("<a" + " href=\"mailto:" + address + "@hartlan" + "ds.c" + "o." + "uk\"" + ">" + display + "</a>");
}