Excel .xls with multiple tabs

Create a 2 worksheets( Tabs) in a biff 2.1 .xls Excel format with out excel on the system. simple right? Prove it. All examples are of a sinlge worksheet within the excel file. reference: [login to view URL] good luck. ## Deliverables Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. Complete copyrights to all work purchased. ## Platform windows 2000 is fine will be a server side app.