folgendes funktioniert (meinst du so etwas??):
Code:
<html><head><title></title>
<script type="text/javascript">
<!--
function test()
{
var counter = 5
alert(document.getElementById("top"+counter).value);
}
//-->
</script>
</head>
<body>
<form action="">
<select id="top5" onchange="test()">
<option>Heino</option>
<option>Michael Jackson</option>
<option>Tom Waits</option>
<option>Nina Hagen</option>
<option>Marianne Rosenberg</option>
</select>
</p>
</form>
</body>
</html>