function showHide(element, script)
    {
      var el = document.getElementById(element);
      var state = el.style.display;
      if(state == 'none') {
        el.style.display='block';
        if(script != '') ajax(script, element);
      } else {
        el.style.display='none';
      }


/*
      var el = document.getElementById(element);
      var l = document.getElementById(link);
      var state = el.style.display;
      if(polozka != "") var p = document.getElementById(polozka);
      if(state == 'none') {
        el.style.display='inline';
        l.src=iko2;
        if(polozka != "") p.style.height='425px';
      } else {
        el.style.display='none';
        l.src=iko1;
        if(polozka != "") p.style.height='280px';
      }
*/
    }