// //////////////////////////// //
//    Validate Pre-test items   //
// //////////////////////////// //
function validatePre ()
{
     if (document.order1.invnum.value == "")
	  {
          alert("Please enter your School Number.")
          return false;
     }
     if (document.order1.username.value == "")
	  {
          alert("Please enter your User Name.")
          return false;
     }
     if (document.order1.password.value == "")
	  {
          alert("Please enter your Password.")
          return false;
     }
     document.order1.submit();
	  return true;
}
// //////////////////////////// //
//    Validate Post-test items  //
// //////////////////////////// //
function validatePost ()
{
     if (document.order2.invnum.value == "")
	  {
          alert("Please enter your School Number.")
          return false;
     }
	  if (document.order2.stukey.value == "")
	  {
          alert("Please enter your Student Key. Your student key was issued the first time you took the LLO. If you lost your student key, your advisor/instructor can look it up for you.")
          return false;
     }
     document.order2.submit();
	  return true;
}