var objCount = 0;

function preload(name,picname) {  
  if( browserOK ) {     
    pics[objCount]    = new Array(3);
    pics[objCount][0] = new Image(); pics[objCount][0].src = "/img/off/" + picname;
    pics[objCount][1] = new Image(); pics[objCount][1].src = "/img/sel/" + picname;
    pics[objCount][2] = name;
    objCount++;
  }
}

function on(name) {
  if( browserOK ) {
     for( i = 0; i < objCount; i++ ) {
       if( document.images[pics[i][2]] != null ) {
         if( name != pics[i][2] )
           document.images[pics[i][2]].src = pics[i][0].src;
         else 
           document.images[pics[i][2]].src = pics[i][1].src;
       }
     }
  }
}

function off() {
  if( browserOK ) {
     for( i = 0; i < objCount; i++ ) {
       if( document.images[pics[i][2]] != null ) 
         document.images[pics[i][2]].src = pics[i][0].src;
     }
  }
}

if( browserOK ) {     
  preload("menu1_1","menu1_1.gif");
  preload("menu1_2","menu1_2.gif");
  preload("menu1_3","menu1_3.gif");
  preload("menu4_1","menu4_1.gif");
  preload("menu4_2","menu4_2.gif");
  preload("menu4_3","menu4_3.gif");
  preload("menu2_3","menu2_3.gif");
  preload("menu2_3a","submenu_1.gif");
  preload("menu2_3b","submenu_2.gif");
  preload("menu2_3d","submenu_4.gif");
  preload("menu2_3e","submenu_5.gif");
  preload("menu2_4","menu2_4.gif");
  preload("menu2_4a","submenu_1.gif");
  preload("menu2_4b","submenu_2.gif");
  preload("menu2_4d","submenu_4.gif");
  preload("menu2_4e","submenu_5.gif");
  preload("menu2_5","menu2_5.gif");
  preload("menu2_5a","submenu_1.gif");
  preload("menu2_5b","submenu_2.gif");
  preload("menu2_5d","submenu_4.gif");
  preload("menu2_5e","submenu_5.gif");
  preload("menu2_6","menu2_6.gif");
  preload("menu2_6a","submenu_1.gif");
  preload("menu2_6b","submenu_2.gif");
  preload("menu2_6d","submenu_4.gif");
  preload("menu2_6e","submenu_5.gif");
  preload("menu2_7","menu2_7.gif");
  preload("menu2_7a","submenu_1.gif");
  preload("menu2_7b","submenu_2.gif");
  preload("menu2_7d","submenu_4.gif");
  preload("menu2_7e","submenu_5.gif");
  preload("menu2_8","menu2_8.gif");
  preload("menu2_8a","submenu_1.gif");
  preload("menu2_8b","submenu_2.gif");
  preload("menu2_8d","submenu_4.gif");
  preload("menu2_8e","submenu_5.gif");
  preload("menu2_9","menu2_9.gif");
  preload("menu2_9a","submenu_1.gif");
  preload("menu2_9b","submenu_2.gif");
  preload("menu2_9d","submenu_4.gif");
  preload("menu2_9e","submenu_5.gif");
  preload("menu3_1","menu3_1.gif");
}