Hallo
Danke für eure Antworten!
Hab es jezt geschafft:
<html>
<head>
<title>Rechner</title>
<script language="JavaScript" type="text/javascript">
<!--
function wechsel() {
var wahlgame = document.liste1.game.selectedIndex;
var preiseins = document.liste1.game.options[wahlgame].value;
var x = preiseins;
var wahlslots = document.liste1.slots.selectedIndex;
var preiszwei = document.liste1.slots.options[wahlslots].value;
var preis = x * preiszwei;
document.liste1.preiss.value = preis;
}
//-->
</script>
</head>
<body bgcolor="white">
<form name="liste1">
<select size="1" name="game" onChange="wechsel()">
<option value="1" selected="selected">1</option>
<option value="2">2</option >
<option value="3">3</option >
<option value="4">4</option >
</select>
<select size="1" name="slots" onChange="wechsel()">
<option value="2" selected="selected">2</option>
<option value="4">4</option >
<option value="6">6</option >
<option value="8">8</option >
</select>
<input type="text" size="2" name="preiss" readonly>
</form>
</body>
</html>
MfG
Paul