MLM Multi Level Marketing Script needed

Basic Function :

Register New User.
Calculate Commision up to 5 level
Show the comission earned once login
Show the Multi Level Tree downwards
Show the total commision earned per user

Bonus award for hitting Target.
Example : $1000 rewarded for refered 5000 members, $5000 for refered 10000 member 

Admin Panel :

Set the Comission for each Level ( up to 5)
Set the Target and Reward of refer ( up to 10)
Send Mass Email to all member
Search member by username
Search member by email
Delete member

 Budget : Up to $2000