javascript:(function(){
var dx,cx,fd;
fd=prompt("請問想把「顯示之前的內容」改成一次顯示多少訊息(預設為10)","10");
dx=document.getElementById("app_stories_more").getElementsByTagName("a");
cx=dx[0].getAttribute('ajaxify');
cx=cx.substring(cx.search("max_stories"),cx.search("&oldest="));
cx=dx[0].getAttribute('ajaxify').replace(cx,"max_stories="+fd);
dx[0].setAttribute('ajaxify',cx);
})();