完美兼容ie和firefox的asp.net网站加入收藏和设置主

<script type="text/javascript">
    function AddFavorite(sURL, sTitle) {
        try {
            window.external.addFavorite(sURL, sTitle);
        }
        catch (e) {
            try {
                window.sidebar.addPanel(sTitle, sURL, "");
            }
            catch (e) {
                alert("加入收藏失败，请使用Ctrl+D进行添加");
            }
        }
    }
    function SetHome(obj, vrl) {
        try {
            obj.style.behavior = 'url(#default#homepage)'; obj.setHomePage(vrl);
        }
        catch (e) {
            if (window.scape) {
                try {
                    scape.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./preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                prefs.setCharPref('browser.startup.homepage', vrl);
            }
        }
    }
</script>

  <a onclick="SetHome(this,window.location)" style="cursor: pointer;">设为首页</a> <a
            onclick="AddFavorite(window.location,document.title)" style="cursor: pointer;">收藏本站</a>