can anyone help me diagnose this file? nothing is outputted.

<html>
<head>
</head>
<script type="text/javascript">
<!--
var r_text = new Array ();
r_text[0]="nusnu";
r_text[1]="bhbtrh";
.
.
.
.
r_text[5000]="hsm7i";
phraseCnt = r_text.length;
var i = Math.floor(phraseCnt*Math.random())
document.write(r_text[i]);
//-->
</script>


</html>