function getElementsByClassName(className, tag, elm){
  var testClass = new RegExp("(^|\s)" + className + "(\s|$)");
  var tag = tag || "*";
  var elm = elm || document;
  var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
  var returnElements = [];
  var current;
  var length = elements.length;
  for(var i=0; i<length; i++){
    current = elements[i];
    if(testClass.test(current.className)){
      returnElements.push(current);
    }
  }
  return returnElements;
}

function showAllImages()
{
  var imgs = getElementsByClassName('pyiHidden', 'img', window.document);
  var seps = getElementsByClassName('pyiSep', 'div', window.document);
  var i;
  var classStr;

  if(navigator.appName == "Microsoft Internet Explorer") {
    classStr = 'className';
  }
  else {
    classStr = 'class';
  }
  
  for(i = 0;i < seps.length;i++) {
    seps[i].setAttribute(classStr, 'jednarada');
  }

  for(i = 0;i < imgs.length;i++) {
    imgs[i].setAttribute('src', imgs[i].getAttribute('alt'));
    imgs[i].setAttribute('alt', '');
    imgs[i].setAttribute(classStr, 'pyiVisible');
  }
  
  window.document.getElementById('showAllImages').setAttribute(classStr, 'pyiHidden');
}