<script type="text/javascript" charset="utf-8">  
  $(document).ready(function() {  
 
    // Define some variables
    var thisQuestion = $('#question'+qID);
    var q1Value = '{q1.shown}';
    var q2Value = '{q2.shown}';
    var sumValue = Number(q1Value) + Number(q2Value);
 
    // Load the question
    $('input[type="text"]', thisQuestion).val(sumValue);
 
    // Hide this question
    $(thisQuestion).hide();
  });
</script>

<script type="text/javascript" charset="utf-8">  
$(document).ready(function() {
  var q1Value = {q1.shown};
  var q2Value = {q2.shown};
        var sumValue = Number(q1Value) + Number(q2Value);
 
        $(".numeric:eq(0) input.text").val(sumValue)
 
     // Hide + autosubmit 
     // $('.numeric).hide();
     // document.limesurvey.submit();
 
});
</script>