function objhide(obj,color)
{       var i;
        objekt=document.getElementById(obj);
        menu=document.getElementsByName('menu');
        for (i in menu)
        {
          if (i<4) { 
                    menu[i].style.backgroundColor = 'grey';
                   }
        }
        objekt.style.backgroundColor = color;
}


function objukaz(x)
{      
        var z;
        menu1=document.getElementsByName('menu');
        for (z in menu1)
        {
          if (z<4) { menu1[z].style.visibility = 'visible';}
        }
}
$(document).ready(function(){   

    $.fn.wait = function(time, type) {
        time = time || 500;
        type = type || "fx";
        return this.queue(type, function() {
            var self = this;
            setTimeout(function() {
                $(self).dequeue();
            }, time);
        });
    };
    function runIt() {
      $(".akce_polozka:hidden:first").wait().fadeIn("slow",runIt);
      $(".akce_polozka:hidden:first").wait().fadeIn("slow",runIt);
      $(".akce_polozka:hidden:first").wait().fadeIn("slow",runIt);
    }
    runIt();

  });