Scrolling status bar

<SCRIPT>

var frontPart, backPart;
var myMsg = "Hey, I know JavaScript - check out my kewl scroller! ... ";
var i = 0;

function scrollMsg() {
     frontPart = myMsg.substring(i, myMsg.length);
     backPart = myMsg.substring(0, i);

     window.status = frontPart + backPart;

     if (i < myMsg.length) i++;
     else  i = 0;

     setTimeout("scrollMsg()", 50) ;
}

</SCRIPT>

<Body onLoad="scrollMsg();">