Двигающийся текст на кнопке

<script language="JavaScript">
<!-- Jon Eyrick -
// I do not take full credit for this script, I only made
// half of this..
var id,pause=0,position=0;

function wbanner() {
// variables declaration
//Put the text here
var i,k,msg=" Infoscript.ru - коллекция скриптов ";
// increase msg
k=(60/msg.length)+1;
for(i=0;i<=k;i++) msg+=" "+msg;
// show it to the window
document.form2.wbanner.value=msg.substring(position,position+60);
// set new position
if(position++==msg.length) position=0;
// repeat at entered speed
id=setTimeout("wbanner()",150);
}
function gotoaddr(addr){
location=addr;
}
// end -->
</script>

<form name="form2">
<input type="button" name="wbanner" value=" " onclick="top.location.href='http://infoscript.ru';">
</form>
<script language="JavaScript">
<!--
wbanner();
// -->
</script>