function loadFrames(main, sub) {
	var content = document.getElementById("links");
	var subnavi = document.getElementById("subnavigation-frame");
	content.src = main;
	subnavi.src = sub;
	return false;
}

function loadFrame(main) {
	var content = parent.document.getElementById("links");
	content.src = main;
	return false;
}