<script type="text/javascript" charset="utf-8">  
  $(document).ready(function() {
 
    // Interrupt the Next/Submit function
    $('#movenextbtn, #movesubmitbtn').click(function(e){
      if($('.multiple-opt:visible input.checkbox:checked').length > 2) {
        alert('You can only select up to 2 items.');
        return false;
      }
    });    
  });
</script>

<script charset="utf-8" type="text/javascript">
  $(document).ready(function() {
    $( '#question{QID} .question-item:eq(0)').addClass('hide-pseudo-elements').find('input.checkbox').remove();
    $( '#question{QID} .question-item:eq(4)').addClass('hide-pseudo-elements').find('input.checkbox').remove();
    $( '#question{QID} .question-item:eq(7)').addClass('hide-pseudo-elements').find('input.checkbox').remove();
 
  });
</script>

<style type="text/css">.hide-pseudo-elements label::before,
.hide-pseudo-elements label::after {
  display: none;
}
 
.hide-pseudo-elements .label-text {
  margin-left: -20px;
}
</style>

<span style="font-size:12pt;background-color:#CCC;font-weight:bold;border: 1px solid #888;padding:2px">Part 1</span>