01.<script language="javascript">
02.<!-- คิดเงิน
03.var obj= document.all;
04.function sum()
05.{
06. obj.IsrCom.value=(parseInt(obj.IsrPrice.value)*(parseInt(obj.IsrPercent.value)/100))-parseInt(obj.IsrDiscount.value);
07. obj.PrbCom.value=parseInt(obj.Prb.value)*(parseInt(obj.PrbPercent.value)/100);
08. obj.SumCost.value=parseInt(obj.IsrPrice.value)-(parseInt(obj.IsrDiscount.value))+parseInt(obj.Prb.value);
09. obj.AllCom.value=parseInt(obj.IsrCom.value)+parseInt(obj.PrbCom.value);
10.}
11.
12.</script>
