[youtube_sc url=”http://www.youtube.com/watch?v=reS9Lp1LbLY” width=”700″ height=”400″] I just implemented the new HTML5 Fullscreen API on two of my components: mb.YTPlayer and mb.bgndGallery. Using the element.requestFullScreen() and the document.cancelFullScreen() methods is now possible to display part of a page or the entire web…