function popup (Adresse) {
 MeinFenster = window.open(Adresse, "erstfenster", "width=1000,height=600,resizeable=yes,scrollbars=no");
 MeinFenster.focus();
}
function popup1 (Adresse) {
 MeinFenster = window.open(Adresse, "erstfenster", "width=800,height=600,resizeable=yes,scrollbars=yes");
 MeinFenster.focus();
}
function popup3 (Adresse) {
  MeinScrollFenster = window.open(Adresse, "erstfenster", "width=1000,height=600,resizeable=yes,location=yes,toolbar=yes,scrollbars=yes");
  MeinScrollFenster.focus();
}
function popup2 (Adresse) {
 MeinFenster = window.open(Adresse, "erstfenster", "width=1000,height=600,resizeable=yes,scrollbars=yes");
 MeinFenster.focus();
}
function zu()
{
if (window.name == "erstfenster")
	{
		window.close();
	}
return(false);
}