子页面关闭后如何刷新父页面，它们都不在同一台服务器上？

I have a parent page on one server and im calling a child page as pop up window which is on another server. So once the child page is closed i wanted to refresh the parent page so i wrote one reload function in parent page and i was trying to call it from child page as:I have a parent page on one server and im calli