Multiple logins in facebook client?

Is there such a thing like multiple login to facebook..?

I need to use it to like a photo in a contest

Step 1 is to like the page then

step 2 is to like a photo..

..


I will do it manually if there is nothing like that .tweetdeck is for pages..

i'm looking for software that can login through accounts in just one IP and

.like a photos..