操作成功/失败提示框，样式仿bootstrap
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/411517/851635/MyTips.js
操作成功/失败提示框，样式仿bootstrap
代码调用：
1. 引用js
// @require https://greasyfork.org/scripts/411517-mytips/code/MyTips.js?version=851634
2. 调用代码，如：
MyTips.sucessTips("执行成功");
MyTips.errorTips("执行失败");
MyTips.errorTips("执行失败", 30000, {left:10}, {width:500});
