function updateDragDropRank(qID){
  var maxanswers= parseInt($("#ranking-"+qID+"-maxans").text().trim(),10);
  var rankingname= "javatbd"+$("#ranking-"+qID+"-name").text().trim();
  var relevancename= "relevance"+$("#ranking-"+qID+"-name").text().trim();
  var rankingnamewidth=rankingname.length;
  $('#question'+qID+' .select-item select').val('');
  $('#sortable-rank-'+qID+' li').each(function(index) {
    // Get value of ranked item
    var liID = $(this).attr("id");
    liValue = liID.substr(rankingnamewidth);
    $('#question'+qID+' .select-item select').eq(index).val(liValue);
  });
  // Update #relevance and lauch checkconditions function
  $("[id^=" + relevancename + "]").val('0');
  $('#question'+qID+' .select-item select:lt('+maxanswers+')').each(function(index){
    number=index+1;
    if($(this).val()!="")
    {
      $("#"+relevancename+number).val("1");
    }
    $(this).trigger("change",{ source : 'dragdrop'});
  });
  $('#sortable-rank-'+qID+' li').removeClass("error");
  $('#sortable-choice-'+qID+' li').removeClass("error");
  $('#sortable-rank-'+qID+' li:gt('+(maxanswers*1-1)+')').addClass("error");
 
  // Numbers for ranked items
  $('#question'+qID+' .rank-number').remove();
  $('#question'+qID+' .dragDropRankList li').each(function(i) {
    $(this).prepend('<span class="rank-number">'+(i+1)+':</span>');
  });
}

.rank-number {
  display: inline-block;
  margin-right: 5px;
  color: #FF0000;
}