function aali_feedback_validateFeedback() {

   var isOk;
   var radioGroup;
   var index;
   var value;



   isOk = true;

   if (isOk) {
      value = document.aali_feedback_form.subject.value;
      value = value.replace(/^\s+/,'').replace(/\s+$/,'');
      isOk = (value.length > 0);
      if (!isOk) {
         alert("Please enter a subject.");
      }
   }
   if (!isOk) {
      document.aali_feedback_form.subject.focus();
      return(isOk);
   }
   if (isOk) {
      value = document.aali_feedback_form.message.value;
      value = value.replace(/^\s+/,'').replace(/\s+$/,'');
      isOk = (value.length > 0);
      if (!isOk) {
         alert("Please enter feedback.");
      } else {
         isOk = (value.length <= 1024);
         if (!isOk) {
            alert("Maximum message length (" + 1024 + " characters) exceeded.");
         }
      }
   }
   if (!isOk) {
      document.aali_feedback_form.message.focus();
      return(isOk);
   }

   if (isOk) {
      value = document.aali_feedback_form.handle.value;
      value = value.replace(/^\s+/,'').replace(/\s+$/,'');
      isOk = (value.length > 0);
      if (!isOk) {
         alert("Please enter your initials.");
      }
   }
   if (!isOk) {
      document.aali_feedback_form.handle.focus();
      return(isOk);
   }

   return(isOk);
}