function show_nav_bar()
{
  document.write(
'          <table width="100%" border="0" cellspacing="0" cellpadding="0">\n' +
'            <tr>\n' +
'	      \n' +
'              <td align="left" valign="top">\n' +
'		<a href="index.html" class="global_left_nav_2top"> Home </a>\n' +
'		<div class="global_left_nav_2top_2">Solid Earth Geophysics</div>\n' +
'                <ul class="sublink">\n' +
'                    <li class="sublink"><a href="seg_research.html" class="link_3"> Research </a></li>\n' +
'                    <li class="sublink"><a href="seg_people.html" class="link_3"> People </a></li>\n' +
'                    <li class="sublink"><a href="seg_courses.html" class="link_3"> Courses </a></li>\n' +
'                  </ul>\n' +
'		<div class="global_left_nav_2top_2">Applied Geophysics</div>\n' +
'                <ul class="sublink">\n' +
'                  <li class="sublink"><a href="ag_research.html" class="link_3"> Research </a></li>\n' +
'                  <li class="sublink"><a href="ag_people.html"    class="link_3"> People </a></li>\n' +
'                  <li class="sublink"><a href="ag_courses.html"   class="link_3"> Courses </a></li>\n' +
'                </ul>\n' +
'		<div class="global_left_nav_2top_2">Interdisciplinary Programs</div>\n' +
'		<ul class="sublink">\n' +
'			<li class="sublink"><a href="ip_research.html"class="link_3"> Research </a></li>\n' +
'			<li class="sublink"><a href="ip_people.html"  class="link_3"> People </a></li>\n' +
'			<li class="sublink"><a href="ip_courses.html" class="link_3"> Courses </a></li>\n' +
'		</ul>\n' +
'				<a href="facilities.html" class="global_left_nav2"> Facilities  </a>\n' +
'				<a href="pros_students.html" class="global_left_nav2"> Prospective Students </a>\n' +
'				<a href="links.html" class="global_left_nav2"> Related Links </a>\n' +
'                </td>\n' +
'            </tr>\n' +
'          </table>\n');
}