var actualLoad = "img_zah1";
var waitLoad = "img_zah2";
var adresarObr = "37";
var actualLoadTmp = "";
var obnova = 6000;

function rotateImgLoad(){
/*
  var params = "&adresarObr=" + adresarObr +
               "&subakce=randoimg";  
  $('#' + actualLoad).load('http://' + document.location.host + '/redakce/ajax.php?akce=nahodnyobr' + params, function(){});
  

  
  actualLoadTmp = actualLoad;
  actualLoad = waitLoad;
  waitLoad = actualLoadTmp;
  
*/
}

function rotateImg(){
  
  document.getElementById(actualLoad).style.display = "none";
  document.getElementById(waitLoad).style.display = "";
  rotateImgLoad();
  setTimeout('rotateImg()', obnova);  
}