以下为引用的内容：

　　/* TAB MENU  
----------------------------------------------------------*/

　　div.hideSkiplink
{
    background-color: #3a4f63;
    width: 100%;
}
div.menu
{
    padding-left: 8px;
    height: 38px;
    vertical-align: bottom;
}
div.menu ul, div.menu ul a
{
    list-style: none;
    margin: 4px 0 0 0;
    padding: 0;
    width: auto;
    height: 28px;
}

　　div.menu ul li
{
    padding-left: 3px;
}

　　div.menu ul li a, div.menu ul li a:visited
{
    display: block;
    background-color: #465c71;
    border: 1px #4e667d solid;
    color: #dde4ec;
    height: 28px;
    line-height: 26px;
    padding: 0px 20px;
    text-decoration: none;
    width: 60px;
    text-align: center;
}

　　div.menu ul li a:hover
{
    background-color: #bfcbd6;
    color: #465c71;
    text-decoration: none;
    border-bottom-color: #bfcbd6;
}

　　div.menu ul li a:active
{
    background-color: #465c71;
    color: #cfdbe6;
    text-decoration: none;
}

　　div.menu ul li a.selected
{
    background-color: white;
    padding-top: 0;
    color: black;
    border: 0;
    height: 32px;
    line-height: 30px;
    margin: 2px 0 0 0;
    background-image: url(menu_selected_bg1.jpg);
    background-position: right top;
    background-repeat: no-repeat;
}

　　以下为引用的内容：

　　1        protected void Page_Load(object sender, EventArgs e)
2        {
3            var a = (from MenuItem mi in this.NavigationMenu.Items select mi.NavigateUrl).ToArray();
4            var q = Array.IndexOf(a, Request.AppRelativeCurrentExecutionFilePath);
5            if (q == -1) q = 0;
6            this.NavigationMenu.Items[q].Selected = true;
7        }