Can AUDIO/VIDEO tag have a "balance" attribute like? http://developer.mozilla.org/En/HTML/Element/Bgsound BTW: Thanks to http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2008-October/016699.html for dmo link. spec: http://www.whatwg.org/specs/web-apps/current-work/#dom-media-volume