function popupschmal(URL) {
  fenster = open("","OptiMahn","left=400,width=400,height=450,scrollbars=yes,resizable,toolbar=yes");
	fenster.location.href = URL;
  fenster.resizeTo(500, 450);
  if (fenster.opener == null) {
    fenster.opener = window;
  }
	fenster.focus();
}

function popupbreit(URL) {
  fenster = open("","OptiMahn","left=400,width=600,height=450,scrollbars=yes,resizable,toolbar=yes");
	fenster.location.href = URL;
  fenster.resizeTo(600, 450);
  if (fenster.opener == null) {
    fenster.opener = window;
  }
	fenster.focus();
}

function popup(URL) {
  popupschmal(URL); 
}

function popuphoch(URL) {
  fenster = open("","OptiMahn","left=400,width=400,height=550,scrollbars=yes,resizable,toolbar=yes");
	fenster.location.href = URL;
  fenster.resizeTo(400, 550);
  if (fenster.opener == null) {
    fenster.opener = window;
  }
	fenster.focus();
}