buton üzerine kayan yazı

<script language="Javascript">
<!--
// made by: atidilos - http://www.yeniklasor.com

var speed = 100
var message = "www.yeniklasor.com "

var s = 0
var l = message.length
document.write("<form name='btn'><input type='button' "
+"name='sc' value='"+ message +"'></form>")

function btnsc() {

document.btn.sc.value = message.substring(s,l) + message.substring(0,s)
s++

if (s >= l) {
s = 0
}

setTimeout("btnsc()",speed)
}

btnsc();
//-->
</script>