ic how you do it.
i couldn't post the web applet because the applet code is more than 20000 characters, exceeding the limit set in the forum for per post character limit.

nice iframe technique!

<iframe src="http://enjoy.phy.ntnu.edu.tw/file.php?file=/userdir/7/web/geogebra/Engine4-StrokeCycle.html" width=1024 height=580></iframe>
to view content from the above URL

Thanks!