Javascript Java-Script - Prozent Rechner

Prozent Rechner

function perc1() {
 a = document.form1.a.value/100;
 b = a*document.form1.b.value;
 document.form1.total1.value = b
 }
function perc2() {
 a = document.form1.c.value;
 b = document.form1.d.value;
 c = a/b;
 d = c*100;
 document.form1.total2.value = d
 }
//-->
</script> 
<form name="form1">
  <div align="center"><center><table border="10" cellpadding="5" cellspacing="5">
    <tr>
      <td colspan="3" align="right" bgcolor="#C0C0C0">
<b><font color="black" size="5">Klaus Hentschels</font><br><div align="left">
<font color="red" size="5">Prozentrechner</font></b> </td>
    </tr>
    <tr>
      <td>Wieviel sind <input type="text" name="a" size="5"> % von <input type="text"
      name="b" size="5">?</td>
      <td>Auswertung: <input type="text" name="total1" size="5" maxlength="40"></td>
      <td><input type="button" value="Rechne" onClick="perc1()"></td>
    </tr>
    <tr>
      <td colspan="3" align="center" bgcolor="#C0C0C0"><input type="reset" value="Reset"></td>
    </tr>
  </table>
  </center>
</div>
</form>

Internet Explorer: Ja
Netscape: Ja

Klaus Hentschels Prozentrechner
Wieviel sind % von ?	Auswertung: