// JavaScript Document
    sipka = new Image();
    sipka.src = "images/layout/icons/troj_white.png";
    
    promenna = new Image();
    promenna.src = "images/layout/head2.jpg";
    
    obr = -1;
    cas = 4000;
    function animation(){
    obrazky = ["../../images/layout/head6.jpg", "../../images/layout/head1.jpg", "../../images/layout/head2.jpg", "../../images/layout/head3.jpg", "../../images/layout/head4.jpg", "../../images/layout/head5.jpg"];
    if(obr == 5)
        obr = 0;
      else
        obr++;
    
    /*if (obr+1 == obrazky.length) 
        obr = 0;
      else 
        obr++;*/
        
    document.getElementById("obrazek").src = obrazky[obr];
    window.setTimeout('animation()',cas);
    }
  
  sipka = new Image();
  sipka.src = "images/layout/icons/troj_white.png";
  
  
    function zobrazSkryj(idecko){
    el=document.getElementById(idecko).style;
    el.display=(el.display == 'block')?'none':'block';
    }
    
    function prebarvi(idecko){
    el=document.getElementById(idecko).style;
    el.color=(el.color == '#ffffff')?'#898888':'#ffffff';
    }