Hola Oskitar :)
<HTML>
<HEAD>
<TITLE>1</TITLE>
<SCRIPT>
function cambio() {
if (M.direction == 'left') M.direction = 'right';
else M.direction = 'left';
}
</SCRIPT>
</HEAD>
<BODY bgcolor="#C8E0D8">
<MARQUEE BEHAVIOR=SCROLL SCROLLAMOUNT=0 SCROLLDELAY=200 BGCOLOR=#FFFF00 ID="M">
<H1>This is a scrolling marquee.</H1>
</MARQUEE>
<BUTTON onClick='M.scrollAmount += 2'>Acelera</BUTTON>
<BUTTON onClick='M.scrollAmount = 0'>Detiene</BUTTON>
<BUTTON onClick='cambio()'>Cambia sentido</BUTTON>
</BODY>
</HTML>
Suerte ;)
<IMG src=banderas/argentina.gif>