<html>
<body>
<embed id="myEmbed" src="helloworld.swf" width="200" height="200" style="border:1px solid">
<p>点击按钮修改flash动画的宽度为500像素。</p>
<button onclick="myFunction()">尝试一下</button>
<script>
function myFunction()
{
document.getElementById("myEmbed").width="500";
}
</script>
</embed></body>
</html>