Merge command: [strcalendar-boxnrcurrentpage ]
Merge variable/item: nrCurrentpage

Comments:
This calculates the calendarbox number that is currently being generated based on the pagination settings in the url (querystring). The value depends on the `calendartart=` and `calendarcount=` parameters.

Formula:
((startnrStartpage+(nrOnPage-1))/nrOnPage);