Only use WebGL if requested and WebGL support is detected.
Only use WebGL if requested and WebGL support is detected.

xzf158/ogv.js,chrislearn/ogv.js,chrislearn/ogv.js,paladox/ogv.js,chrislearn/ogv.js,xzf158/ogv.js,xzf158/ogv.js,paladox/ogv.js,paladox/ogv.js,paladox/ogv.js,xzf158/ogv.js,xzf158/ogv.js,chrislearn/ogv.js,chrislearn/ogv.js,paladox/ogv.js