function open_submenu(id) {
      /*document.getElementById("submenu_gal").visibility = "visible";
      document.getElementById("submenu_gal").innerHTML = "&raquo;Tour 2009<br />&raquo;Tour 2009";
      document.getElementById("submenu_gal").height = "100%";
      document.getElementById("submenu_gal").color = "#000000";*/
      document.getElementById(id).className = "submenu-side-vis";
      
}

function close_submenu(id) {
      /*document.getElementById("submenu_gal").visibility = "collapse";
      document.getElementById("submenu_gal").innerHTML = "";*/
      document.getElementById(id).className = "submenu-side-col";
}