var old_supmenu_id=false;var submenu_timeout=false;function overMenuButton(id,flag){changeButton("button_"+id,true);if(flag){showSubmenu(id)}else{if(old_supmenu_id!=false)hideSubMenu(old_supmenu_id);oldsubmenu=false}}function outMenuButton(id,flag){changeButton("button_"+id,false);if(flag)submenu_timeout=window.setTimeout("hideSubMenu("+id+")",1000)}function hideSubMenu(id){var obj=document.getElementById('menu_'+id);if(obj){obj.style.visibility="hidden"}}function showSubmenu(id){clearSubmenuTimeout();var obj=document.getElementById('menu_'+id);if(old_supmenu_id!=false)hideSubMenu(old_supmenu_id);obj.style.visibility="visible";old_supmenu_id=id}function overSubMenu(id){clearSubmenuTimeout()}function outSubMenu(id){submenu_timeout=window.setTimeout("hideSubMenu("+id+")",1000)}function clearSubmenuTimeout(){if(submenu_timeout){window.clearTimeout(submenu_timeout);submenu_timeout=false}}