Noget i denne stil:
<html>
<head>
<title></title>
<script type="text/javascript">
function udregnLoen(obj) {
var bRes = 0;
if(obj) {
var itillaeg = (obj.form.tillaeg.checked ? 2550 : 0);
if(!isNaN(parseFloat(obj.form.hverdage.value)))
bRes += parseFloat(obj.form.hverdage.value) * 2000;
if(!isNaN(parseFloat(obj.form.loerdage.value)))
bRes += parseFloat(obj.form.loerdage.value) * 2500;
if(!isNaN(parseFloat(obj.form.soendage.value)))
bRes += parseFloat(obj.form.soendage.value) * 3500;
obj.form.loen.value = bRes + itillaeg;
}
return true;
}
</script>
</head>
<body>
<form>
<table border="0" cellspacing="1" cellpadding="5" bgcolor="#000000">
<tr>
<td bgcolor="#FFFFFF">Type</td>
<td bgcolor="#FFFFFF">Antal</td>
</tr>
<tr>
<td bgcolor="#FFFFFF">Hverdage</td>
<td bgcolor="#FFFFFF"><input type="text" name="hverdage" size="6"></td>
</tr>
<tr>
<td bgcolor="#FFFFFF">Lørdage</td>
<td bgcolor="#FFFFFF"><input type="text" name="loerdage" size="6"></td>
</tr>
<tr>
<td bgcolor="#FFFFFF">Søndage</td>
<td bgcolor="#FFFFFF"><input type="text" name="soendage" size="6"></td>
</tr>
<tr>
<td bgcolor="#FFFFFF">Tillæg</td>
<td bgcolor="#FFFFFF"><input type="checkbox" name="tillaeg"></td>
</tr>
<tr>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF">
<input type="button" value="Udregn" name="beregn" onclick="udregnLoen(this)">
</td>
</tr>
<tr>
<td bgcolor="#FFFFFF">Ialt</td>
<td bgcolor="#FFFFFF"><input type="text" name="loen" size="20"></td>
</tr>
</table>
</form>
</body>
</html>
