function getThumbnailImage(th_x,th_y,th_width,th_height,th_size,th_shape) {
   imageURL = "imageServlet?action=createthumbnail&x="+th_x+"&y="+th_y+"&width="+th_width+
                             "&height="+th_height+"&size="+th_size+"&shape="+th_shape;
   return imageURL;
}

function saveThumbnail(){
  thumbnailMakerTray.closeThumbnailDialog();
  $('thumbnailImageContainer').innerHTML="";
  $('thumbnailImageContainer').innerHTML='<img src="'+thumbnailMakerTray.getSavedThumbnailImageUrl()+'">';
}