function checkForgotForm()
{
// defaults for the script
   var errors = '';
   var oMyForm = document.forgotform;
// regular expression patterns
   var validemail     = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
   var validchkstring  = /^[a-zA-Z0-9]{8}$/;

// test for basic mandatory form field values
   if(!validemail.test(oMyForm.c1_em.value))
   { errors+='Provide a valid email address.\n'; }
// show errors or submit form
   if (errors){alert(errors);}
   else{oMyForm.submit();}
}