Timeline in Premiere 6.5

I hit some button? and the the time at the top of my timeline in Premiere 6.5 is out of whack. It shows frames instead of the time. It’s this way in the editing window as well. How can I get it back to the time? Please advise.
Thank you.

via Video Editing Forums: Digital Director – Adobe Premiere, Premiere Elements, and After Effects http://www.videoforums.co.uk/adobe-premiere-premiere-elements-after-effects/43998-timeline-premiere-6-5-a.html