hi all,

i have one problem with facebook landing page. i created facebook landing page through static fbml app but i have one problem with like button, user must like the page before he will navigate to another page.
i want to do same functionality in my landing page,
http://www.facebook.com/BusinessofCinema?v=app_6009294086,
http://www.facebook.com/HYPERARTS?v=app_7146470109&viewas=0#!/HYPERARTS?v=app_126026510774735.

anyone know about this please help me .

thanks inadvance......