I reallly want this job!?

Okay so i went in introduced myself and got an interview the next day. Thought it went well. Then scheduled for a 2nd phone interview 2 days later on a monday. Also thought that went well. Now they told me they would let me know by friday. It is around noon on friday and im getting worried. really worried. I see that the job posting is still online so i dont know what that means. Im wondering if i should call around 430 to check my status if they dont call? I just have a bad inkling they wont sad face.