function menu_startup() {
  ddsmoothmenu.init({
   mainmenuid: "menu", //menu DIV id
   orientation: 'h', //Horizontal or vertical menu: Set to "h" or "v"
   classname: 'ddsmoothmenu', //class added to menu's outer DIV
   //customtheme: ["#1c5a80", "#18374a"],
   contentsource: "markup" //"markup" or ["container_id", "path_to_menu_file"]
  });

  $("#menu").css("visibility","visible");
  $("#menu").css("height","25");
}