hotspot

hi,

please kan someone help me out here,i have a mikrotik boad working but i want to configurd the 3th lan to route hotspot ,pls help me out.
thanks

pls i need the step by step procedure.thanks

http://www.mikrotik.com/testdocs/ros/3.0/pnp/hotspot.php
http://www.mikrotik.com/testdocs/ros/3.0/aaa/hotspot.php