微信内提示浏览器打开的代码

<script type="text/javascript">
            function is_weixin() {
                var ua = LowerCase();
                if (ua.match(/MicroMessenger/i) == "micromessenger") {
                    return true;
                } else {
                    return false;
                }
            }
            var isWeixin = is_weixin();
            var winHeight = typeof window.innerHeight != 'undefined' ? window.innerHeight: document.documentElement.clientHeight;
            function loadHtml() {
                var div = ateElement('div');
                div.id = 'weixin-tip';
                div.innerHTML = '<p><img src="p15.qhimg/t01174ef4302f59fce3.png?mapp.alicdn/16306714822555obrw02Y9RzuSry.png?zhizunwangqing.gitee.io/zaluan1/111/weixinchuangkou/zhedang.png" alt="微信打开"/></p&g