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>