function LightboxDelegate(url,caption,width,height) {
	//alert(url);
   var objLink = document.createElement('a');
   objLink.setAttribute('href',url);
   objLink.setAttribute('rel','lightbox');
   // objLink.setAttribute('title',caption);
   objLink.setAttribute('width',width);
   objLink.setAttribute('height',height);
   Lightbox.prototype.start(objLink);
}