/*****************************************************************************/
var activeMenu = null;
function setActiveMenu( who )
{
  if( activeMenu )
    activeMenu.className = "submenu-inactive";
  
  activeMenu = document.getElementById( who );
  try {
    activeMenu.className = "submenu-active";
  }
  catch(e) {
    alert("No submenu found with an id of '" + who + "'");
  }
}// end setActiveMenu( who )