// ==UserScript==
// @name          PiaoTian
// @description   Fix PiaoTian keyboard browse on Firefox
// @include       http://www.piaotian.com/*
// @version 0.0.1.20171118144048
// @namespace http://diveintogreasemonkey.org/download/
// @downloadURL none
// ==/UserScript==
document.onkeydown=function jumpPage2(e) {
  if (e.keyCode==37) location=unsafeWindow.preview_page;
  if (e.keyCode==39) location=unsafeWindow.next_page;
  if (e.keyCode==13) location=unsafeWindow.index_page;
}