Dieses Script berechnet die benötigte Lüfter gr&ouml;sse<br>
<br><br>
<script>
function Calc2() {

if(document.Calc2Form.Inputl.value && document.Calc2Form.Inputb.value && document.Calc2Form.Inputh.value&& document.Calc2Form.Inputtime.value && document.Calc2Form.Inputfaktor.value && document.Calc2Form.Inputlampen.value) {

var l = document.Calc2Form.Inputl.value;
var b = document.Calc2Form.Inputb.value;
var h = document.Calc2Form.Inputh.value;
var time = document.Calc2Form.Inputtime.value;
var faktor = document.Calc2Form.Inputfaktor.value;
var lampen = document.Calc2Form.Inputlampen.value;
var ergebnis = l * b * h / faktor * time + lampen * 200;

document.Out2Put.OutPutVal2.value = ergebnis;

} else {
alert("Falsche Eingabe.");
}
}
</script>

<form name="Calc2Form" action="JavaScript:Calc2(); ">

  <table border="0" cellpadding="0" cellspacing="0" width="300">
    <tbody><tr> 
      <td width="77">Länge</td>

      <td valign="top" width="223"> 
        <input name="Inputl" value="2" maxlength="2" style="width: 60px;" type="text">
      </td>
    </tr>
    <tr> 
      <td width="77">Breite</td>

      <td valign="top" width="223"> 
        <input name="Inputb" value="2" maxlength="2" style="width: 60px;" type="text">
      </td>

    </tr>

    <tr> 
      <td width="77">H&ouml;he</td>
      <td width="223"> 
        <input name="Inputh" value="2" maxlength="2" style="width: 60px;" type="text">
      </td>
    </tr>
		<tr> 
      <td width="77">Lampen</td>

      <td valign="top" width="223"> 
        <input name="Inputlampen" value="2" maxlength="2" style="width: 60px;" type="text">
      </td>

    </tr>
<tr> 
      <td width="77"></td>
      <td width="223"> 
        <input name="Inputfaktor" type="hidden" value="2" style="width: 60px;" type="text">
      </td>
    </tr>
    <tr> 
      <td width="77"></td>
      <td width="223"> 
        <input name="Inputtime" type="hidden" value="60" style="width: 60px;" type="text">
        <input value="Berechnen" name="submit" type="submit">
      </td>
    </tr>
  </tbody></table>
  </form>

<form name="Out2Put">
  <table border="0" cellpadding="0" cellspacing="0" width="300">

    <tbody><tr>
      <td width="77"><br>
      </td>
      <td width="222"> 
        <input name="OutPutVal2" maxlength="10" style="width: 60px;" type="text">
        m3 /h Lüfter</td>
    </tr>

  </tbody></table>
<!-- Copyright by Lars Heppke  -->
  </form>
</td>
</body>
</html>