if (document.images)
{
  pic1= new Image(100,25);
  pic1.src="img/aktu2.gif";

  pic2= new Image(240,55);
  pic2.src="img/kontakt2.gif";

  pic3= new Image(88,31);
  pic3.src="img/onas2.gif";
  
  pic4= new Image(88,31);
  pic4.src="img/praca2.gif";
  
  pic5= new Image(88,31);
  pic5.src="img/oferta2.gif";
  
  pic6= new Image(88,31);
  pic6.src="img/kris2.gif";
  
}