if (document.images)
{
//menu
  startBttn = new Image();
  startBttn.src = "http://d3group.pl/gfx/startBttn_this.jpg";

  onasBttn = new Image();
  onasBttn.src = "http://d3group.pl/gfx/onasBttn_this.jpg";
  
  portfolioBttn = new Image();
  portfolioBttn.src = "http://d3group.pl/gfx/portfolioBttn_this.jpg";

  ofertaBttn = new Image();
  ofertaBttn.src = "http://d3group.pl/gfx/ofertaBttn_this.jpg";

  kontaktBttn = new Image();
  kontaktBttn.src = "http://d3group.pl/gfx/kontaktBttn_this.jpg";

//stopka
  kontaktBottom = new Image();
  kontaktBottom.src = "http://d3group.pl/gfx/kontaktBottom_on.jpg";

  startBottom = new Image();
  startBottom.src = "http://d3group.pl/gfx/startBottom_on.jpg";

  ulubioneBottom = new Image();
  ulubioneBottom.src = "http://d3group.pl/gfx/ulubioneBottom_on.jpg";
  
//jezyk
  jezyk = new Image();
  jezyk.src = "http://d3group.pl/gfx/en.jpg";
}