DOW( ) example
The following function calculates the date for the Monday that follows the specified date:
function nextMonday(dArg)
if dow(dArg) == 1 // If it's Sunday
return dArg + 1 // Monday is the next day
else // Otherwise, subtract DOW()
return dArg - dow(dArg) + 9 // to get last week Saturday
endif // then add 9 for next week Monday