//送信用関数-onblurで送信

function getAge() {

	var elementId = 'oldId';

	var birth = $("birthId").getValue();
	var month = $("monthId").getValue();
	var day = $("dayId").getValue();

	if( birth != "" && month != "" && day != "" ){

		if( birth.length != 4 ){
			$(elementId).value = '';
			return;
		}else if( birth <= 1900 ){
			$(elementId).value = '';
			return;
		}
		
		if( month.length == 1 ){
			month = '0' + month;
		}else if( month >= 13 ){
			$(elementId).value = '';
			return;
		}
		
		if( day.length == 1 ){
			day = '0' + day;
		}else if( day >= 32 ){
			$(elementId).value = '';
			return;
		}
		
		birthday = parseInt( birth + month + day );
		myDate = new Date();
		var now_year = myDate.getFullYear();
		var now_month = myDate.getMonth()+1;
		var now_date = myDate.getDate();

		now_month = now_month + '';
		now_date = now_date + '';
		
		if( now_month.length == 1 ){
			now_month = '0' + now_month;
		}
		
		if( now_date.length == 1 ){
			now_date = '0' + now_date;
		}	
		
		now = parseInt( now_year + now_month + now_date );

		age = Math.floor((now - birthday)/10000);
		
		//alert(age);
		
		if( age < 0 ){
			$(elementId).value = '';
		}else{
			$(elementId).value = age;
		}
	}else{

	}
}