Watch youtube videos more smoothly on firefox

Watch youtube videos more smoothly on firefox

STEPS:
1. Type about:config in the address bar
it will give you warning but dont worry its safe and reverseable.. So continue...
2. Now search for browser.sessionstore.interval

now double click on it...And change 10000 to 120000

now go to youtube and try to stream....
Streaming will become more smooth...Than before..