<!--
function validate_QuestionnaireForm(form){		
  for (var e = 0; e < form.elements.length; e++) {
    var el = form.elements[e];
    if (el.type == 'text' || el.type == 'textarea' ||
        el.type == 'password' || el.type == 'file' ) { 
      if (el.value == '') {
        alert('No value given');
        el.focus();
        return false;
      }
    }
    else if (el.type.indexOf('select') != -1) {
      if (el.selectedIndex == -1) {
        alert('Please select an option');
        el.focus();
        return false;
      }
    }
    else if (el.type == 'radio') {
      var group = form[el.name];
      var checked = false;
      if (!group.length)
        checked = el.checked;
      else
        for (var r = 0; r < group.length; r++)
          if ((checked = group[r].checked))
            break;
      if (!checked) {
        //alert('Please select an option');
        alert('Please answer question: ' + el.name.substring(el.name.lastIndexOf('_')+2, el.name.length));
        el.focus();
        return false;
      }
    }
    else if (el.type == 'checkbox') {
      var group = form[el.name];
      if (group.length) {
        var checked = false;
        for (var r = 0; r < group.length; r++)
          if ((checked = group[r].checked))
            break;
        if (!checked) {
	  alert('Please input your answer');
          el.focus();
          return false;
        }
      }
    }
  }
  return true;
}
	

-->