$( ".birthday" ).datepicker({
showOn: "button",
dateFormat: "yy-mm-dd",
buttonImage: empty_img_src,
buttonImageOnly: true,
buttonText: "Select date",
onSelect : function(e){
console.log("----생년월일 선택---");
var num = $(this).data("num");
RowCheck(num);
}
});