Forum:.ogg videos disappering when someone else edit the page

Hi there wikia, help i think this is an unclear bug or something but on the Call of Duty Wikia. i have tried to make an table, where i can place videos, however when someone else edit the page they vanish,

if someone gonna try it out just copy past them in each side of the Demonstration table



http://callofduty.wikia.com/wiki/M14#Demonstration
 * There, I edited the page and everything is still there.
 * I just don't see anything wrong, not even in the history.
 * You're probably just imagining things. :p
 * 20:19, July 19, 2011 (UTC)
 * 20:19, July 19, 2011 (UTC)
 * 20:19, July 19, 2011 (UTC)