Is there any reason you can't simply hit the "Esc" key to get out of the fullscreen mode, do what you need to do and then hit Continue under Run near the top? While I haven't really used the particular video plugin you're using there, this usually works better for me than alt-tabbing out of the game.
"I think that the problem with this video is it is highly derivative of many popular bands within the genre. Although when viewed on its own merits, it does have a deeper groove. However what it has in groove, it lacks in originality. One can't help but be reminded of such bands as Pearl Jam, White Zombie, Suicidal Tendencies and other bands that bear the mantle of so called "Alternative Rock". One is even reminded of Lorie Anderson when she wore curlers. Hehehmhm! This video speaks less to the heart and more to the sphincter. In closing, I think Korn would do well to learn more from -"