Leveling System Based On Online Time - Maby for darkrp?

Well as the titles says i wanna request a link/any possible help for a system there will rank you up based on the time you have been on the server, so if there is anyone there can help i would be happy to hear from you (:

Evolve
http://evolve.overvprojects.nl/plugins/sv_rankovertime.lua

Okay its more because im using ULX (:, but thanks for the help (: ill try coding it into ULX if its possible.

[editline]20th June 2011[/editline]

And it was more like : 1 hour Your rank Semi-Noob 10 hours you are rank: Medium Roleplayer,