diff -r 705ed7162315 -r 20484deb89cd includes/clientside/tinymce/plugins/advimage/js/image.js
--- a/includes/clientside/tinymce/plugins/advimage/js/image.js	Thu Jun 26 18:05:42 2008 -0400
+++ b/includes/clientside/tinymce/plugins/advimage/js/image.js	Thu Jun 26 20:55:13 2008 -0400
@@ -381,7 +381,7 @@
 				v = f.border.value;
 				if (v || v == '0') {
 					if (v == '0')
-						img.style.border = '';
+						img.style.border = '0';
 					else
 						img.style.border = v + 'px solid black';
 				}