something like this ?

lparameters nMonth,nYear
retval=gomonth(date(nyear,nmonth,1),1)-date(nyear,nmonth,1)

>Is there a function that returns the number of days in a month?
>example...
>jan has 31 days
>days_in_a_month = (some_function,jan)
>?days_in_a_month
>31....any ideas?