var VAdvents = ({
  init:function(){
    this.elements = $$('.adventgulka');
    this.advents = $$('.vianoce_box');
    var i;
    for (i=0; i<this.elements.length; i++) {
      this.elements[i].addEvent('click', VAdvents.displayAdvent.bindWithEvent(this,i));
    }
  },
  displayAdvent:function(e,i){
    var el=this.elements[i];
    for (i=0; i<this.advents.length; i++) {
      if (this.advents[i].id != el.id)
        this.advents[i].style.display = 'none';
      else 
        this.advents[i].style.display = 'block';
    }
  }
});
window.addEvent('domready', VAdvents.init.bind(VAdvents));