PSP joypad thingy?

[Rufstuf]

Just bought a PSP off a guy in work, got it cheap but it is missing the top of the wee directional joystick at the bottom left. I can still use it without, but I would like to replace it. Does anyone know where I could buy one of these?

 

[Dcds4]

you looked hard yeah?

http://cgi.ebay.co.uk/6-X-Sony-PSP-...yZ127746QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

 

[Rufstuf]

Didnt know it was called an analog stick.
Thank you!