function oeffnen(wnd,title)
{	
	F=window.open(wnd,title,"height=500,width=520,dependent=no");
}

function wechselDokument(URI1,F1) {
 Frame1 = eval("parent."+F1);
 Frame1.location.href = URI1;
}
function wechselDokuments(URI1,F1,URI2,F2) {

  Frame1=eval("parent.principal"+F1);
  Frame2=eval("parent.principal"+F2);
  Frame1.location.href = URI1;
  Frame2.location.href = URI2;
}