DateMonthNumber.calc

Position (
	"xxJanFebMarAprMayJunJulAugSepOctNovDec"
	; Left ( mnthName; 3 )
	; 1
	; 1 
) / 3

/* —————————————————————————————— //
NAME:
	DateMonthNumber ( mnthName )

PURPOSE:
	Returns month name corresponding to month number.

EXAMPLES:
	DateMonthName ( "February" ) = 2
	DateMonthName ( "feb" ) = 2

HISTORY:
	Source:	http://www.briandunning.com/cf/805
	Author:	David Head, uLearnIT .... http://www.ulearnit.com.au/
	Adopted:	2011-Mar-25 12h16 PST — Donovan A. Chandler ; with formatting modifications
*/