Small job offer for someone with experience

Hi,

I have a problem with my site and looking for someone to help me with this.

The site is functional but some functions do not work and more precisely:

- Login button

-Presence button

-Messenger

-Chat

-Video chat

-Before when I put mouse on a profile, apathy, a small window with several buttons that:  add friend,message,report,messenger, video chat, greeting etc, etc.

Now appears only username.

If you can help me, please make me an offer.

Cheers

Silviu