Anonymous

<html>
<head>
<title>Test Checkbox</title>
<script type="text/javascript">
<!--

function checkBoxes(frm, chkbx_nm, chk)
{
    var i = 1;
    while (b = frm.elements[chkbx_nm + i]) {
        b.checked = chk;
        i++;
    }
}

//-->
</script>
</head>
<body>
<form name="testForm">
Check All: <input type="checkbox" name="checkAll" onclick="checkBoxes(this.form, 'mycbx', this.checked);" />
<br />
<input type="checkbox" name="mycbx1" /><br />
<input type="checkbox" name="mycbx2" /><br />
<input type="checkbox" name="mycbx3" /><br />
<input type="checkbox" name="mycbx4" /><br />
<input type="checkbox" name="mycbx5" /><br />
</form>
</body>
</html>