function popup(width, height, url) {
  window.open(url, "newwin", "menubar=no,width=" + width + 
              ",height=" + height + ",toolbar=no,status=no,scrollbars=no");

}

function dovote() {
  var vals = document.getElementById('pollform');
  var val = null;
  for(var i = 0; i < vals.pollanswer.length; i++) {
    if(vals.pollanswer[i].checked) val = vals.pollanswer[i];
  }
  if(!val) alert('Du må angive et alternativ! ');
  
  popup(530, 395, 'pollresults.php?dovote=' + val.value)
}

function clearBox(box, msg) {
  if(box.value == msg) box.value = "";
}

function closediv(div) {
  document.getElementById(div).style.display='none';
}

function opendiv(div) {
  document.getElementById(div).style.display='block';
}

function menuLoginFormIsValid() {
  var hasval = document.getElementById('menupageselect').value != '-1';
  if(!hasval) alert("Du måste välja en sida.");
  return hasval;
}