hs.graphicsDir = 'highslide/graphics/';
hs.outlineType = 'rounded-white';
hs.onSetClickEvent = function ( sender, e ) {
   // set the onclick for the element, output the group name to the caption for debugging
   e.element.onclick = function () {
      return hs.expand(this, { slideshowGroup: this.parentNode.className, 
         captionText: this.parentNode.className });
   }
   // return false to prevent the onclick being set once again
   return false;
}