Confirming my facebook

Hello, I had a co worker set up my facebook account for me on my work computor i didnt know at the time i was to confirm my face book & now its not confirmed i have had facebook for about 2 months now it is now set up with my work email address,
how can I confirm it? I do not have any of my emails that facebook may have sent me to confirm it. can you please help? and then would like to know if this can be done how can i get facebook to my personell email? at the time didnt have a personell computer & personell email and now i do.thank you