Example Code
<!-- Codes by HTMLmagics-->
<marquee behavior="scroll" direction="right" scrollamount="50" id="mymarquee2">
<p>See how fast I am!</p>
</marquee>
<img src="http://www.htmlcodes.me/images/marquees/stop_marquee.png" width="100" height="100" alt="Stop button" onClick="document.getElementById('mymarquee2').stop();" />
<img src="http://www.htmlcodes.me/images/marquees/start_marquee.png" width="100" height="100" alt="Start button" onClick="document.getElementById('mymarquee2').start();" />
<p><a style="font-size:11px;color:#999;" href="http://www.tmlmagics.blogspot.com/marquees/stop-marquee.cfm">Pause marquee</a></p>
Result
<!-- Codes by HTMLmagics-->
<marquee behavior="scroll" direction="right" scrollamount="50" id="mymarquee2">
<p>See how fast I am!</p>
</marquee>
<img src="http://www.htmlcodes.me/images/marquees/stop_marquee.png" width="100" height="100" alt="Stop button" onClick="document.getElementById('mymarquee2').stop();" />
<img src="http://www.htmlcodes.me/images/marquees/start_marquee.png" width="100" height="100" alt="Start button" onClick="document.getElementById('mymarquee2').start();" />
<p><a style="font-size:11px;color:#999;" href="http://www.tmlmagics.blogspot.com/marquees/stop-marquee.cfm">Pause marquee</a></p>
Result