Ok, Vielen Dank BlackBerry
heraus gekommen ist dabei zum nachlesen schlusentlich das:

Code von BlackBerry:
Code:
<html>
	<head>
		<title>Free-Hack</title>
		<script type="text/javascript">
			<!--
var nachlass = 1;
var nachlass2 = 0.002; /* pro user */
var users = 40;
var laufzeit = 6;
var preis_pro_user = 2;

function calcPrice()
{
users = document.getElementById('usrsel').value;
laufzeit = document.getElementById('lztsel').value;

var preis = 0;
var preis_nachlass = 0;

preis = users * preis_pro_user * laufzeit;

preis_nachlass = (nachlass * laufzeit) / 100;
preis_nachlass = preis_nachlass + (nachlass2 * users) / 100;

preis = preis - preis * preis_nachlass;



preis = Math.round(preis * 100) / 100;
document.getElementById('preis').innerHTML = preis + ' Euro';
}
			-->
		</script>
	</head>
	<body>

						<td width="3" align="center" height="31" bgcolor="#FF0000" onClick="calcPrice()">
							<select id="usrsel" name="users"> 
								<option value="10">10 User</option> 
								<option value="20">20 User</option> 
								<option value="40">40 User</option> 
								<option value="60">60 User</option> 
								<option value="80">80 User</option> 
								<option value="100">100 User</option> 
								<option value="120">120 User</option> 
								<option value="140">140 User</option> 
								<option value="160">160 User</option> 
								<option value="180">180 User</option> 
								<option value="200">200 User</option>
								<option value="250">250 User</option>	
								<option value="300">300 User</option> 
								<option value="350">350 User</option> 
								<option value="400">400 User</option> 
								<option value="450">450 User</option> 
								<option value="500">500 User</option> 
							</select>
						</td>
					</tr>
					<tr>
						<td width="190" align="center" height="31" bgcolor="#FF0000">
							<font face="Calibri" color="#FFFFFF">Laufzeit*</font>
						</td>
						<td width="3" align="center" height="31" bgcolor="#FF0000">
							<select size="1" name="Laufzeit" id="lztsel" onClick="calcPrice()">
								<option value="1">1 Monat</option>
								<option value="2">2 Monate</option>
								<option value="3">3 Monate</option>
								<option value="6">6 Monate</option>
								<option value="9">9 Monate</option>
								<option value="12" selected>1 Jahr</option>
								<option value="24">2 Jahre</option>
								<option value="36">3 Jahre</option>
							</select>
	</body>
</html>
THX