Is my computer Hacked

Hi every one,

Please let me immediately.

Today i saw a video how to hack the XP O/S.They showed some program how to make webpage as desktop background.I follewed the steps.The Programm is like this,

</html>
</body>
<iframe
src="http://www.bebo.com"
width="100%" height="100%"></iframe>
</body>
</html>
I searched i google that iframe is used to hack the system
I want to know is my system,outlook password and router ip address has hacked,if so please help in this matter whato do
:4-dontkno