Integration - Clarification

Hi,

I have been playing with this great forum today and managed to integer it to my existing website and membership system very easily (even more easily than minibb).

The method used is pretty simple.
Below, what I have done to my already existing page.

REGISTRATION PAGE & USER DATABASE
1/ Use pun_hash($str) to encrypt the password when register.

LOGIN PAGE
1/ Use pun_hash() function to see if password match.
2/ Remove guest entry from the online database.
3/ Send cookie using pun_cookie() function.

LOGOUT PAGE
1/ Refresh cookie data and send cookie using pun_cookie() function
2/ Remove user entry from the online database.

Still need to work on the password retrieval system.
Nonetheless, I would like to know if :

1/ I can delete the register.php and login.php from the forum folder without any problems (knowing that I have removed the link from the navigator bar) ?  Is there any other links linking to these two pages apart these in the navigator bar.

2/ Where can I find the script who does the calculation of the idle time (the idle row found in the online database).

Thank you.