<!DOCTYPE html>
<html>
<body>
<embed id="myEmbed" src="helloworld.swf" width="200" height="200" style="border:1px solid">
<p>Click the button to change the height of the flash animation to 500 pixels.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
document.getElementById("myEmbed").height = "500";
}
</script>
</body>
</html>