// ASRS score

function asrsscore (questions) {
  var total = 0;
  for (var i = 0; i < questions.elements.length; i++){
    if (questions.elements[i].type == 'radio' && questions.elements[i].checked)
      total += parseFloat(questions.elements[i].value);
   }
   
   if (total<= 3)
   self.location = 'http://www.viralmarketingchemistryset.com/at/go.php?c=took_test_neg';
   
   if (total>= 4)
   self.location = 'http://www.viralmarketingchemistryset.com/at/go.php?c=took_test_pos';
   
  return total;
}