Beer bubbles in HTML5/Canvas

[login to view URL] is a product enabling individuals to be able to purchase drinks for one another when they're not together. On the site there is a gradient DIV tag element with an orange gradient and static PNG file for bubbles. This represents beer. **PROJECT DESCRIPTION:** Create HTML5 Canvas/jQuery solution. jQuery function accepts target document object and detect if Canvas can be used within the user's browser. If yes, randomize **realistic** carbonation bubbles you would normally find in a beer. Bubbles do not leave the size of the target container and move from bottom-to-top. Bubbles should be continuous and never stop. If canvas is not available, function should return false.