jq 基础


    <script type="text/javascript">
        $(function () {
            $("#tabs").tabs({ event: 'mouseover' });
            $("#categoryTree").treeview({ collapsed: true });
        });</script>问题：
1.("#tabs") 是一个DIV ，.tabs({ event: 'mouseover' }) 这一段是什么意思？
2.treeview({ collapsed: true }); 这一段是什么意思？谢谢        <div id="navbar">
            <div class="banner">
                <div class="tabbar">
                    <div class="tabs">
                        @{var ctrl = ViewContext.Controller;
                          string action = (string)ViewContext.RouteData.Values["Action"];}
                        @Html.ActionLink("首页", "Index", "Home", null, (ctrl is HomeController) ? new { @class = "actived" } : null)
                        @Html.ActionLink("栏目1", "Index", "Video", new { id = "pubdate" }, (ctrl is VideoController && (!new[] { "HotVideos", "Search", "Upload" }.Contains(action))) ? new { @class = "actived" } : null)
                        @Html.RouteLink("栏目2", "Paging", new { action = "Index", controller = "Album", id = "0" }, (ctrl is AlbumController) ? new { @class = "actived" } : null)
                        @Html.ActionLink("栏目3", "HotVideos", "Video", new { id = "" }, (ctrl is VideoController && action == "HotVideos") ? new { @class = "actived" } : null)
                        @Html.ActionLink("栏目4", "Search", "Video", null, (ctrl is VideoController && action == "Search") ? new { @class = "actived" } : null)
                        @Html.ActionLink("栏目5", "Index", "Admin", null, (ctrl is AccountController || ctrl is AdminController) ? new { @class = "actived" } : null)
                    </div>
                </div>
                <div id="dvAccountInfo">
                </div>
            </div>
            <div class="bar">
            </div>
        </div>