Javascript---add to favorite | Set Homepage

<!-- 设为首页 -->
<li><a href="javascript:setHome(this,window.location)">
    <span class="glyphicon glyphicon-home"></span> <b>设为首页</b></a>
</li> 
<!-- 加入收藏 -->
<li><a href="javascript:addFavorite()">
    <span class="glyphicon glyphicon-heart"></span> <b>加入收藏</b></a>
</li>


<script type="text/javascript">
    function addFavorite() {
        var url = window.location;
        var title = document.title;
        var ua = navigator.userAgent.toLowerCase();
        if (ua.indexOf("msie 8") > -1) {
            external.AddToFavoritesBar(url, title, '');//IE8
        } else {
            try {
                window.external.addFavorite(url, title);
            } catch (e) {
                try {
                    window.sidebar.addPanel(title, url, "");//firefox
                } catch (e) {
                    alert("加入收藏失败，请使用Ctrl+D进行添加");
                }
            }
        }
    }


    //设为首页 <a onclick="setHome(this,window.location)">设为首页</a>
    function setHome(obj,vrl){
        try{
            obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
        }
        catch(e){
            if(window.netscape) {
                try {
                    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
                }
                catch (e) {
                    alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将 [signed.applets.codebase_principal_support]的值设置为'true',双击即可。");
                }
                var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                prefs.setCharPref('browser.startup.homepage',vrl);
            }
        }
    }

</script>

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