title: How to open / hover to submenu items using keyboard shortcuts
body: <p>i have a menu like</p>
  
  <pre><code>&lt;li class="main-menu"&gt;
    &lt;a accesskey="a"&gt;menu item 1&lt;/a&gt;
    &lt;ul&gt;
      &lt;li&gt;
        &lt;a accesskey="d"&gt;submenuItem1&lt;/a&gt;
      &lt;/li&gt;
      &lt;li class="submenu"&gt;
        &lt;a accesskey="e"&gt;submenuItem2&lt;/a&gt;
        &lt;ul&gt;
          &lt;li class="innermenu"&gt;&lt;a &gt;innerMenuItem1&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a&gt;innerMenuItem1&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a&gt;innerMenuItem2&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a&gt;innerMenuItem3&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a&gt;innerMenuItem4&lt;/a&gt;&lt;/li&gt;
        &lt;/ul&gt;
      &lt;/li&gt;
    &lt;/ul&gt;
  &lt;/li&gt;
  </code></pre>
  
  <p>How to hover / show submenu when main menu item selected and when submenu selected show innermenu items. am very new to jquery have some issues in do this esspecially submenu to inner menu.Thank you..</p>