/**
 * 해당월 주의 최대값
 * @param dateStr		YYYYMM
 */
function getWeekCountOfMonth(dateStr) {
	var year  = Number(dateStr.substring(0, 4));
	var month = Number(dateStr.substring(4, 6));
	
	var nowDate = new Date(year, month-1, 1);

	var lastDate = new Date(year, month, 0).getDate();
	var monthSWeek = nowDate.getDay();

	var weekSeq = parseInt((parseInt(lastDate) + monthSWeek - 1)/7) + 1;

	return weekSeq;
}

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