function hlaska() {
  var i=12;
  var j=0;
  
  window.setInterval(function() {
    if((i<17) && (j==0)) {
      document.getElementById("kosicek").style.fontSize= i + "px";
      i++;
    }
    else {
      if(i>12) {
      i--;
      document.getElementById("kosicek").style.fontSize= i + "px";
      j=1;
      }
    }  
  },25);

}

/* set the opacity of the element (between 0.0 and 1.0) */

function setOpacity(level) {
        element.style.opacity = level;
        element.style.MozOpacity = level;
        element.style.KhtmlOpacity = level;
        element.style.filter = "alpha(opacity=" + (level * 100) + ");";
}

function fadeOut() {
        for (i = 1-j; i <= 1; i += (1 / steps)) {
          setTimeout("setOpacity(" + (1 - i) + ")", i * duration);
        }
        setTimeout("flipper()", duration);
}

function fadeIn(element){
     
        for (i = 0; i <= 1; i += (1 / steps)) {
          j=i;    //opravi zosvetlenie pred tmavnutim
          setTimeout("setOpacity(" + i + ")", i * duration);
          
        }
        setTimeout("fadeOut()", delay);
} 
      
      
function flipper() {
        
        eatMe = Math.round(Math.random()*(obrazky.length-2));
        element = window.document.getElementById("obr");
        window.document.getElementById("obr").src ="store/small"+obrazky[eatMe];
        window.document.getElementById("flipa").href ="index.php?page=info&pol="+idecka[eatMe];
        document.getElementById("flipobr").innerHTML = names[eatMe];
        
                setTimeout("fadeIn(element)", /*cyklus*1000*/1);
}