What type of switch is used for the multimedia buttons?

The multimedia buttons (or browser forewards backwards buttons) have broken on my device.

More specifically, the forewards button does not spring back to its origional position.

I've opened it up, but I wouldn't have the slightest clue what switch it is. Prefferably I'd like to replace the little print plate, as it seems to be seperate and connected through a cable, but I haven't had any luck finding replacement parts...