Calculate number of days between two dates minus weekends

// ########## startMonth and endMonth both start at 0 i.e 0 = january, 1 = feb etc
function getDaysMinusWeekend(startDay, startMonth, startYear, endDay, endMonth, endYear) {
	var sdate = new Date();
	var edate = new Date();
	var odays = 0;
	var total = 0;

	sdate.setFullYear(startYear,startMonth,startDay);
	edate.setFullYear(endYear,endMonth,endDay);

	odays = 6 - sdate.getDay();
	if(odays == 6) {
		odays = 0;
	}

	sdate.setFullYear(startYear,startMonth,startDay + odays);

	return Math.floor(((((edate.getTime() - sdate.getTime()) / 1000 / 60 / 60 / 24) / 7) * 5) + 

odays);
}