Calculation

Dear Sir,
I Already Taken My 3rd Assignment in Javascript.
i designed page for this assignment,
My problem is,
i want to add functions: Addition, Subtraction, Multiply and Division in one page Named- Calculation page. But
it giving trouble to me, It does not works in same page.
if i given separately, i can works
so how to code them to work?
please guide me..

Regards,
Santosh Hegde

Dear Sir,
was want to add 4 function in one page, (Addition, Subtraction, Multiplication And Divisions with text boxes.)for example: if i added only one one function in abow, it works good, suppose i added one function to the same page, it does`n works i mean i`m getting answer "NaN" in second function answer box...!! thats why asked..
i`ll mail you a sample as well please check that and tell the problem..

Hi Santosh,

I am not getting ur problem.. can u please be more clear.. U can have any no. of functions...