var attrib="location=no,menubar=no,toolbar=no,status=no,resizable=no,scrollbars=yes,width=350,height=250";
var subwindow=0;

function ClosePopUp()
{
  if (!subwindow)
    return;
  if (subwindow.closed)
    return;
  subwindow.close();
}

function ShowPopUp(site)
{
  ClosePopUp()
  subwindow=window.open("../berufe_popup/" + site + ".html","popup",attrib);
  subwindow.moveTo(10,50);
}