Index: branches/5.1.x/core/admin_templates/js/ajax.js
===================================================================
diff -u -r12127 -r12657
--- branches/5.1.x/core/admin_templates/js/ajax.js	(.../ajax.js)	(revision 12127)
+++ branches/5.1.x/core/admin_templates/js/ajax.js	(.../ajax.js)	(revision 12657)
@@ -133,7 +133,7 @@
 					top: $content_offset.top + $parent_div.scrollTop(),
 					position: 'absolute',
 					zIndex: 30,
-					opacity: 0.5,
+					opacity: 0.8,
 					backgroundColor: '#2D79D6',
 
 					// don't show progress overlay, when target div is hidden