Let's say I have two frames (navi and main) on my page. The leftmost frame "navi" is a php-page and it is used for navigation. It contains links, each active link should be high-lighted and there result should go to the "main" frame.
Is there easy way to find out what is the current active page on "main"-frame while running the php-script in navi? $PHP_SELF contains only the script filename what is running right now and it's not helping me much.