function checkDay(R_BIRTHDAY_DAY, R_BIRTHDAY_MONTH, R_BIRTHDAY_YEAR){

	if(R_BIRTHDAY_DAY == '' || R_BIRTHDAY_MONTH == '' || R_BIRTHDAY_YEAR == ''){

		return false;
	}
	R_BIRTHDAY_MONTH = R_BIRTHDAY_MONTH - 1; 						
	var thisDate     = new Date(R_BIRTHDAY_YEAR, R_BIRTHDAY_MONTH , R_BIRTHDAY_DAY);
	var dayThis      = thisDate.getDate()
	var monthThis    = thisDate.getMonth()
	var yearThis     = thisDate.getFullYear()
	var errorAr      = new Array();
	
	if( R_BIRTHDAY_YEAR +'.'+ R_BIRTHDAY_MONTH +'.'+ R_BIRTHDAY_DAY != yearThis +'.'+ monthThis +'.'+ dayThis){
	
		errorAr.push( 1 ) 

	}
	
	if( errorAr.length == 0 ){
		return true;
	}else{
		return false;
	}
	
}