[eluser]jegbagus[/eluser]
hey ajay, i have encounter the same problem as your before.
you may need to understand more about the concept of codeigniter library / helper...
you shouldn't include another file while you try to call helper function (helper is only static function so they won't call another file / function)..
if you need to include another file, create library, and load all file / library that you will need..
CMIIW
best regards