--- slimbox.js_ORIG	2007-12-19 06:55:10.000000000 +0100
+++ slimbox.js	2008-01-07 10:59:00.000000000 +0100
@@ -189,4 +189,17 @@
 	}
 };
 
+function autoLightbox()
+{
+	var anchors = document.getElementsByTagName("a");
+	var imgex = /\.(jpg|jpeg|gif|png|bmp)$/;
+	for (var i = 0; i < anchors.length; i++){
+		var anchor = anchors[i];
+		if (anchor.getAttribute('href') && (anchor.getAttribute('href').toLowerCase().search(imgex) >= 0)){
+			anchor.setAttribute('rel', 'lightbox');
+		}
+	}
+}
+
+window.addEvent('domready', function(){ autoLightbox();})
 window.addEvent('domready', Lightbox.init.bind(Lightbox));