JavaScript DHTML/Javascript Collections/rows
"rows" Example
<html>
<body>
<table id=myTable border="1">
<tr><td>Row 1</td></tr>
<tr><td>Row 2</td></tr>
<tr><td>Row 3</td></tr>
<tr><td>Row 4</td></tr>
<tr><td>Row 5</td></tr>
<tr><td>Row 6</td></tr>
</table>
<script language="JavaScript">
var m = document.getElementById("myTable").rows.length;
alert(m);
</script>
</body>
</html>