<!DOCTYPE html>
<html>
<body>
<h3>A demonstration of how to access an OBJECT element</h3>
<object id="myObject" width="400" height="400" data="helloworld.swf">
</object>
<p>Click the button to get the URL of the embedded flash file.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("myObject").data;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>