function vorwort ()
{
	parent.links.location.href="navi1.html";
	parent.main.location.href="start.html";
}

function links ()
{
	parent.links.location.href="navi1.html";
	parent.main.location.href="links.html";
}

function impressum ()
{
	parent.links.location.href="navi1.html";
	parent.main.location.href="impressum.html";
}