<!DOCTYPE html>
<html>
<head><meta charset="utf-8"/></head>
<body>
<object id="test" type="application/x-test" width=200 height=200></object>
<script>
  function addSecondPlugin() {
    var object = document.createElement("object");
    object.type = "application/x-second-test";
    object.width = 200;
    object.height = 200;
    object.id = "secondtest";
    document.body.appendChild(object);
  }
</script>
</body>
</html>