function getFileName(me){
  search=me.location.pathname.toLowerCase();
  i1=search.lastIndexOf("/")+1;
  i2=search.lastIndexOf(".");
  return search.substring(i1,i2);
}

function gotoCijferBerekening(me){
  msgWindow=window.open('','','toolbar=yes,scrollbars=yes,width=700,height=450,resizable=no,scollbars=no');
  msgWindow.location.replace("http://php.examen.nl/cijfer-berekenen/OneValue/startberekening.php?vakcode="+getFileName(me));
  msgWindow.focus();
}