function carregarBanner()
  {
    quantidadeBanners = 2;

    numero = Math.floor(Math.random() * quantidadeBanners) + 1;

    switch (numero)
      {
        case 1:

          document.getElementById("lnkBanner").href = "http://www.revistavivasaude.com.br/";
          document.getElementById("lnkBanner").target = "_blank";
          document.getElementById("imgBanner").src = "imagens/imgs_lateral/banner_vivasaude_197x171px.gif";

          break;

        case 2:

          document.getElementById("lnkBanner").href = "http://www.dietaja.com.br/";
          document.getElementById("lnkBanner").target = "_blank";
          document.getElementById("imgBanner").src = "imagens/imgs_lateral/banner_dietaja_197x171px.gif";

          break;
      }
  }

function iniciar()
  {
    //carregarBanner();
    MM_preloadImages("imagens/menu/bt_chlorella2.gif", "imagens/menu/bt_porque_sun2.gif", "imagens/menu/bt_produtos2.gif", "imagens/menu/bt_loja2.gif", "imagens/menu/bt_empresa2.gif", "imagens/menu/bt_fale2.gif", "imagens/menu/bt_inf_deseja_ser2.gif", "imagens/menu/bt_inf_revendedores2.gif", "imagens/menu/bt_inf_health2.gif", "imagens/menu/bt_inf_sun_media2.gif", "imagens/menu/bt_inf_mapa2.gif", "imagens/menu/bt_mural2.gif");
  }

window.onload = iniciar;