drupal 6

Redirect User After Login by Role

Here is how I redirect a user after they login. The destination may be different based on role.

function mymodule_user ($op, &$edit, &$account, $category = NULL) {

if ( $op == "login" ){
   if( module_exists("somerequiredmodule") ){
     $dest = mymodule_get_destination();
     drupal_goto( $dest );
   }

}

}