function perscheck()  {
  var perssel=document.getElementById('selpers');
  if (perssel && perssel.selectedIndex==0) {
    alert("Please select a personalization option.");
    perssel.focus();
    return false;
  }
  var sizesel=document.getElementById('selsize');
  if (sizesel && sizesel.selectedIndex==0) {
    alert("Please select a size.");
    sizesel.focus();
    return false;
  }

  return true;
}

//document.getElementById('lk').onsubmit = function () { return perscheck() };