custume sum code in the print page

Question

 Hi All

I have this table in the print page.asp

I want to add code to sum Field of visible Salary only not all Salary . for example when i select 2 records from the list page to print they gave me the result of salary for this 2 records.

 

Thanks for help

 

Regards,

Khalid 

 

Salary	ID	Name	Date	Price	Quantity	Total
2000	1	a		10	2	20
3000	2	b		20	3	60

                                                                                        Total Salary