naja klar:
<html>
<head>
<title>Untitled</title>
<script language="javascript">
function checkform()
{
for(i=0;i<=1;i++)
{
if (document.forms[0].elements[i].value == '')
{
alert('bitte wählen!');
document.forms[0].elements[i].focus();
return false;
}
}
}
</script>
</head>
<body>
<form onsubmit="javascript: return checkform();">
<select name="test1">
<option value="">wähle</option>
<option value="1">eins</option>
<option value="2">zwei</option>
</select>
<select name="test1">
<option value="">wähle</option>
<option value="gr">gruen</option>
<option value="bl">blau</option>
</select>
<input type="submit">
</form>
</body>
</html>
schönen tag noch,
liebe gruesse,
gerhard