function openNieuwvenster(url, name) {
  popupWin = window.open(url, name, 'scrollbars=yes,status,resizable,width=550,height=500,left=10,top=10')
}

<!--
function PopUp(voteNum) {
   if (voteNum == ""){
      return(false);
   }
   window.open("voteresult.asp?vote=" + voteNum,'pop','width=450, \
   height=300, directories=no,status=no,scrollbars=no,menubar=no');
}


function openNieuwsbriefvenster(url, name) {
  popupWin = window.open(url, name, 'scrollbars=yes,status,resizable,width=450,height=300,left=10,top=10')
}

<!--
function PopUp(voteNum) {
   if (voteNum == ""){
      return(false);
   }
   window.open("voteresult.asp?vote=" + voteNum,'pop','width=450, \
   height=300, directories=no,status=no,scrollbars=no,menubar=no');
}

function openFotovenster(url, name) {
  popupWin = window.open(url, name, 'scrollbars=no,status=no,resizable,width=450,height=350,left=10,top=10')
}