Funkcia a jej divný výsledok

function Entity () {
}

function rn(min,max)
{
    return Math.floor(Math.random()*(max-min+1)+min);
}

Entity.prototype = entityPrototype;

player = new Entity();
player.name = playerName;
player.Atk = function () { return rn(<?php echo(json_encode($minimal)); ?>,<?php echo(json_encode($maximal)); ?>); };
player.Def = function () { return rn(5,10); };
player.h = player.HP;
player.m = player.Mana;

enemy = new Entity();
enemy.name = 'Demon';
enemy.Atk = function () { return rn(10,15); };;
enemy.Def = function () { return rn(0,3); };
enemy.HP = 22;
enemy.h = enemy.HP;

// ATTACKING
var playerAttack = function(){
  var atkSum = player.Atk() - enemy.Def();
  if (atkSum>0){ 
  remainingHP = enemy.HP - atkSum;}else{remainingHP = enemy.HP; alert("Netrafil si ho."); } 
  enemy.HP = remainingHP;  

  var atkSuma = enemy.Atk() - player.Def();
  var enem = enemy.Atk();
  var defes = player.Def(); 
  if (atkSuma>0){
  remainingHP = player.HP - atkSuma;alert(+ atkSuma); alert(+ enem); alert(+ defes);}else{remainingHP = player.HP; alert("Blokuješ jeho útok."); }
  player.HP = remainingHP;
  if (player.HP<1){
    alert("Si mrtvy");
    window.location.href='../mesto/regen.html';
    hi();
  }  

  if (enemy.HP<1){
    alert("Nepriatel skapal!");
    window.location.href='expi.php?c=1&a=20&f=8&zona='+dalej+'';
  }  
  hi(); 
};

var playerAttacks = function(){
 
    playerAttack();  
    hi();
  



  
};