function popupfenster(url)
{
		seite = window.open(url,"fenster","width=780,height=580,scrollbars=yes");
		seite.moveTo(screen.width/2-390,screen.height/2-260);
		seite.focus();
}

function popupclose(url)
{
	window.close(url);
}

function druck(url)
{
	window.print(url);
}