function Fensterimp()
{
	window.open("../impressum.html", "Impressum", "width=300, height=300, left=200, location=no, menubar=no, scrollbars=no, status=no, top=100");
}
function fenster(ziel)
{
	window.open(ziel, "Portrait", "width=600, height=500, left=200, location=no, menubar=no, scrollbars=yes, status=no, top=100");
}