void=setActiveSheet(sheet:integer)
The function sets the actual sheet in xls, which we want to work with.

Parameters
Sheet is number of the sheet in xls, which we want to work with. The parameter can reach the values 1 and higher, depending on how many sheets we define in xls.

Example - Director
global xls
xls.setActiveSheet(2)

Example - Authorware
CallObject(xls; "setActiveSheet" ; 2)