function imageViewer(fixedNav, langElem)
{
  //default      
  var attrName = 'lang';
  var imageBtnPrev = '/_images/lightbox-btn-prev.gif';
  var imageBtnNext = '/_images/lightbox-btn-next.gif';
  var imageBtnClose= '/_images/lightbox-btn-close-EN.gif';
  var txtImage     = 'Image';
  var txtOf        = 'of';
  
  var elemAttr = jQuery(langElem).first();
  var langVal  = getLang(elemAttr);
  
  switch(langVal)  {
  case "cs": 
      var imageBtnClose= '/_images/lightbox-btn-close-CS.gif';
      var txtImage     = 'Obrázek';
      var txtOf        = 'z';
      break;

  case "sk":
      var imageBtnClose= '/_images/lightbox-btn-close-SK.gif';
      var txtImage     = 'Obrázek';
      var txtOf        = 'z';
      break;
            
  case "en":
      var imageBtnPrev = '/_images/lightbox-btn-prev-EN.gif';
      var imageBtnNext = '/_images/lightbox-btn-next-EN.gif';
      var imageBtnClose= '/_images/lightbox-btn-close-EN.gif';
      var txtImage     = 'Image';
      var txtOf        = 'of';
      break;
  
  case "de":
      var imageBtnPrev = '/_images/lightbox-btn-prev-DE.gif';
      var imageBtnNext = '/_images/lightbox-btn-next-DE.gif';
      var imageBtnClose= '/_images/lightbox-btn-close-DE.gif';
      var txtImage     = 'Figur';
      var txtOf        = 'aus';
      break;
  
  case "fr":
      var imageBtnPrev = '/_images/lightbox-btn-prev-FR.gif';
      var imageBtnNext = '/_images/lightbox-btn-next-FR.gif';
      var imageBtnClose= '/_images/lightbox-btn-close-FR.gif';
      var txtImage     = 'Figure';
      var txtOf        = 'de';
      break;          
      
  default:
     //use default values ie. english
  }
  
  //load jQuery lightBox plugin
  $('.photogallery a').lightBox({
        fixedNavigation: fixedNav,
        imageBtnClose: imageBtnClose,
	      imageBtnPrev: imageBtnPrev,
	      imageBtnNext: imageBtnNext,
        txtImage: txtImage,
	      txtOf: txtOf
  });

}

function getLang($elem) {
    for (; $elem.get(0); $elem = $elem.parent()) {
      if ($elem.attr('lang'))
        return $elem.attr('lang');
    }
    return undefined;
}