var vid = sym.$("video");
//vid.html('<video src="media/Gvideo.ogv" autoplay="yes" loop="yes" type="video/ogv" width="100%"></video>');
vid.html('<video src="media/Gvideo.mp4" autoplay="yes" loop="yes" type="video/mp4" width="100%"></video>');
Can not run in IOS？