var myVideo=document.getElementById("video1");
$('#video1').bind('contextmenu',function() { return false; });
function playPause()
{
if (myVideo.paused)
myVideo.play();
else
myVideo.pause();
}
function makeBig()
{
myVideo.width=560;
}
function makeSmall()
{
myVideo.width=320;
}
function makeNormal()
{
myVideo.width=420;
}
更多请参考博文链接