mo = [];
mo.images = [];
mo.base = 'template/gfx/menu/';

mo.enter = function(el) {
   if (el.firstChild && this.images[el.firstChild.name]) {
      el.firstChild.src = this.images[el.firstChild.name][1].src;
   }
}

mo.exit = function(el) {
   if (el.firstChild && this.images[el.firstChild.name]) {
      el.firstChild.src = this.images[el.firstChild.name][0].src;
   }
}

mo.preload = function(name, normal, hover) {
   mo.images[name] = [];
   mo.images[name][0] = new Image()
   mo.images[name][0].src = this.base + normal;
   mo.images[name][1] = new Image()
   mo.images[name][1].src = this.base + hover;
}

/* --- Preload images --------------------------------------------- */

mo.preload('home',      'home-01.gif',      'home-02.gif');
mo.preload('bedrijf',   'bedrijf-01.gif',   'bedrijf-02.gif');
mo.preload('producten', 'producten-01.gif', 'producten-02.gif');
mo.preload('links',     'links-01.gif',     'links-02.gif');
mo.preload('contact',   'contact-01.gif',   'contact-02.gif');