A method to select the current item of $menu_name in terms of $cnt, i.e., very likely, in terms of its line number in the corresponding menu structure file (excluding from the count commented out lines, if any)
A method to select the current item of $menu_name in terms of the corresponding id (see the DB table structure); obviously, this method can be used only together with the DB support
A method to select the current item of $menu_name specifying a regular expression that matches (a substring of) the current URL; just the same as the setSelectedItemByUrl() method, but using eregi() instead of strpos()