jQuery code that disables parent links for drop down menus. The menu should be built as nested lists, and the parent link is disabled. This helps eliminate a useless page to display only a list of links to the pages that your dropdown menu already displays.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title></title>
  <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
  <script type="text/javascript">
  $(document).ready(function() {
    
    $("#navigation li:has(ul.sub-navigation)").hover(function () {
      $(this).children("a").click(function () {
          return false;
      });
    });
    
  });
  </script>
</head>
<body>
  <ul id="navigation">
    <li><a href="#your-link-here">Nav 1</a></li>
    <ul class="sub-navigation">
        <li><a href="#your-link-here">SubNav 1</a></li>
        <li><a href="#your-link-here">SubNav 2</a></li>
        <li><a href="#your-link-here">SubNav 3</a></li>
    </ul>
    <li><a href="#your-link-here">Nav 2</a></li>
    <li><a href="#your-link-here">Nav 3</a></li>
    <li><a href="#your-link-here">Nav 4</a></li>
  </ul>
</body>
</html>