Pokemon battle turn-based

/*
Pokémon Battle Turn-Based 0.0.0.2
By Phoenix
For Pokémon AZ Project (http://pastebin.com/zwkmqWXq)
http://pastebin.com/u/nPhoenix
(c) 2014
*/

log = $("#battle_log");

function damage(Lvl, Atk, Def, pow) {
    return (((((2 * Lvl) / 5 + 2) * pow * Atk) / Def) / 50 + 2) * (Math.random() * (1.0 - 0.85) + 0.85);;
};
me = {
    HP: 324,
    atk: 306,
    def: 229,
    spd: 329,
    Name: 'Raichu',
    Lv: 100
};
wild = {
    HP: 314,
    atk: 287,
    def: 240,
    spd: 322,
    Name: 'Raticate',
    Lv: 100
};

function battle_start() {
    log.html("Um " + wild.Name + " selvagem apareceu!");
    if (me.spd > wild.spd) {
        log.html(log.html() + "\n" + me.Name + " começa atacando!");
        my_turn(90);
    } else {
        log.html(log.html() + "\n" + wild.Name + " começa atacando!");
        wild_turn(80);
    };
};

function my_turn(pow) {
    console.log(wild.Name + " HP:" + wild.HP);
    wild.HP = wild.HP - damage(me.Lv, me.atk, wild.def, pow);
    log.html(log.html() + "\n" + me.Name + " usou Thunderbolt!");
    log.html(log.html() + "\n" + wild.Name + " HP:" + wild.HP);
    if (wild.HP <= 0) {
        log.html(log.html() + "\nO " + wild.Name + " selvagem desmaiou! \n");
        return false;
    };
    wild_turn(80);
};

function wild_turn(pow) {
    console.log(me.Name + " HP:" + me.HP);
    log.html(log.html() + "\n" + wild.Name + " usou Hyper Fang!");
    me.HP = me.HP - damage(wild.Lv, wild.atk, me.def, pow);
    log.html(log.html() + "\n" + me.Name + " HP:" + me.HP);
    if (me.HP <= 0) {
        log.html(log.html() + "\nSeu " + me.Name + " desmaiou! \n");
        return false;
    };
    my_turn(90);
};