function toggleDownload(id) {
	$('download-title'+id).toggleClassName('download-title-on');
	if(!$('download-details'+id).visible()) {
		$('download-details'+id).show();
	} else {
		$('download-details'+id).hide();
	}
}

var orderChanged = false;
function onOrderChange() { orderChanged = true; }
function checkOrderChange() {
	if(orderChanged) {
		alert("You've made a change to your order.\n\nPlease click Update Total before continuing");
		return false;
	} else {
		return true;
	}
}