var breite = screen.width;
var hoehe = screen.height;

function winOpen(url, breite, hoehe)
{
  // Errechnet Koordinaten, um das Popup zentriert zu platzieren
  links = (screen.width/2)-(breite/2);
  oben = (screen.height/2)-(hoehe/2);
  window.open(url,"popup","height=570,width=502,status = no,toolbar = no,menubar = no,location = no,resizable = no,titlebar = no,scrollbars = yes,fullscreen = no,top =100,left =100");
} 

function oeffne( h )
{
  parent.content.location.href = h;	
}

function openwindow(theURL,winName,features)
{
  window.open(theURL,winName,features);
}