function isPresent($perm)
 {
     if ($this->getString() == 'System_Admin') {
         return true;
     }
     if ($this->getString() == '_a_0_all ') {
         if ($perm != 'System Admin' && $perm != 'Special Tools') {
             return true;
         } else {
             return false;
         }
     }
     if ($this->getString() != '' && ($perm == 'Patient' || $perm == 'Appointments' || $perm == 'Ambulatory' || $perm == 'Intranet Email' || $perm == 'Special Tools')) {
         return true;
     }
     return StringParser::isPresent($perm);
 }