$(document).ready(function(){
   if($("div[class^='ngg-gallery-thumbnail-box']").length){
	  var legende=$('div[class="ngg-gallery-thumbnail-box"]:first').find("img:first").attr("alt");
      var firstImage = $('div[class="ngg-gallery-thumbnail-box"]:first').find('a:first').attr('href');
      changeImage(firstImage,legende);
      $("div[class^='ngg-gallery-thumbnail-box']").click(function(){
		 var legende=$(this).find("img:first").attr("alt");
         var imageToLoad = $(this).find("a:first").attr("href");
         changeImage(imageToLoad,legende);
         return false;
      });
   }
});


function changeImage(imageToLoad,legende){
   if(!$("#loadedImage").length){
      $('div#gdeimage').prepend('<img id="loadedImage" src="' + imageToLoad + '" />');
   }
   var bufferImage = new Image();
   bufferImage.onload = function(){
      $("img#loadedImage").attr("src", imageToLoad);
	   $('div[class="galerie-middle"]').find("p:first").html(legende);
   }
   bufferImage.src = imageToLoad;   
}