// korobeiniki!

function charakterwerte(name, hp, maxhp, mp, maxmp)
{
 this.name          = name;
 this.hp            = hp;
 this.maxhp         = maxhp;
 this.mp            = mp;
 this.maxmp         = maxmp;

 this.getHpDiff = function()
 {
   return this.maxhp - this.hp;
 }

 this.getMpDiff = function()
 {
   return this.maxmp - this.mp;
 }
}

var superman    = new charakterwerte("Superman", 10, 20, 10, 20, 20, 20, 100)
var spiderman   = new charakterwerte("Spiderman", 10, 30, 5, 6, 10, 80, 20)
var chucknorris = new charakterwerte("Chuck Norris", 10, 20, 30, 40, 50, 60, 70)

var hpdiff = spiderman.getHpDiff();
// hpdiff hat jetzt den wert 20

var hpdiff = superman.getHpDiff();
// hpdiff hat jetzt den wert 10