function checkdata()
{ var uppervalue;

 if (document.ThisForm.riddle.value.length < 10) {
         alert ("Would you like to add a riddle");
         document.ThisForm.riddle.focus();
         return false;   }
 if (document.ThisForm.answer.value.length < 3) {
         alert ("Can you tell us the answer so we can publish it");
         document.ThisForm.answer.focus();
         return false;   }
 if (document.ThisForm.email.value.length < 8) {
         alert ("We won't publish your email address but would like to acknowledge your contribution");
          document.ThisForm.email.focus();
         return false;   }

     return  true
}