[Adrian Schneider]

Make a plugin in the hook "style_fetch" and put the following in it:

PHP Code:

if (somecondition == true)
{
    $styleid = x;
} 


Where X is the style you want to use for the error message.

So maybe in your else{

PHP Code:

define('iwantanotherstyle', true);
print_no_permission(); 


Then you can use the condition if (iwantanotherstyle == true) above.