/***********************************************************************************************************************************************
* create date : 2008.09.02
* author : dhkim
* file name : APUCom.js
* desc : APU공통스크립트
***********************************************************************************************************************************************/

/**
 * @param : yearStr - yyyy
 * @param : monthStr - mm
 * @return : lastDay - dd 해당년월의 말일
 * @desc : 입력한 년월의 마지막 일자를 계산
 *         예) getLastDay(yearStr, monthStr)
 */
 function getLastDay(yearStr, monthStr){
 	
 	var year = eval(yearStr);
 	var month = eval(monthStr);
 	var lastDay = '00';
 	
 	if(month == 1 || month == 3 || month == 5 || month == 7 || month == 8
 	|| month == 10 || month == 12){
 		lastDay = '31';
 	}else if(month == 4 || month == 6 || month == 9 || month == 11){
 		lastDay = '30';
 	}else if(month == 2){
 		if((year%4) == 0 && (year%100 != 0) || (year%100 == 0)){
 			lastDay = '29';
 		}else{
 			lastDay = '28';
 		}
 	}
 	
 	return lastDay;
 	
 }
 
/*
*/