//menu preload

ent_pre = new Image();
ent_pre.src = "../img/menu/a_ent.jpg";

pot_pre = new Image();
pot_pre.src = "../img/menu/a_pot.jpg";

sala_pre = new Image();
sala_pre.src = "../img/menu/a_sal.jpg";

pat_pre = new Image();
pat_pre.src = "../img/menu/a_pat.jpg";

vea_pre = new Image();
vea_pre.src = "../img/menu/a_vea.jpg";

ent_pri = new Image();
ent_pri.src = "../img/menu/a_pri.jpg";