Hi!

value property is of character type, so probbaly lose is during the conversion. Try to convert number manually.

>Hi, why am I losing decimal in that function
>
>function UpdateAmount()
>{
> var tmp;
> var mnt;
>
> myName = "myControlName";
> mnt = parseFloat(document.myForm.myTotalAmount.value);
> mnt = mnt + parseFloat(document.myForm.elements(myName).value);
> document.myForm.myTotalAmount.value = mnt;
>}
>
>The total are calculated correctly but on the web page I lose decimal. Why?
>
>Thanks.