Index: lams_central/web/includes/javascript/dialog.js
===================================================================
diff -u -rb435669d04000e91dcbdbd9dc5a4b8b46f42e320 -r921724d3e5aa7dc1b937827a84488698e75e2704
--- lams_central/web/includes/javascript/dialog.js	(.../dialog.js)	(revision b435669d04000e91dcbdbd9dc5a4b8b46f42e320)
+++ lams_central/web/includes/javascript/dialog.js	(.../dialog.js)	(revision 921724d3e5aa7dc1b937827a84488698e75e2704)
@@ -44,7 +44,7 @@
 	// use the input attributes or fall back to default ones
 	initParams = $.extend({
 		'autoOpen' : true,
-		'modal'    : false,
+		'modal'    : true,
 		'draggable' : true,
 		'resizable' : extraButtons == true,
 		'beforeClose' : function(){