More useful video object
Useful random number generator for elements that don't have IDs. To be honest most of the page won't have IDs at all so this should be useful.
Make an object for all video elements in a section with a class of video. Object contains sources and ID so far. Should also contain vertical co-ordinates IMO. The function then creates a canvas element with the new ID, inserts it before the video and then removes the video.