diff --git a/gadjo/static/js/gadjo.js b/gadjo/static/js/gadjo.js
index 6937eaf..923f8a2 100644
--- a/gadjo/static/js/gadjo.js
+++ b/gadjo/static/js/gadjo.js
@@ -38,12 +38,19 @@ var gadjo_js = gadjo_js || {};
          * Submit is done in place if the $anchor has a data-inplace-submit="true"
          * attribute, a gadjo:dialog-done event is triggered on success, a
          * gadjo:dialog-submit-error event is triggered on failure.
+         *
+         * Dialog is modal by default, set data-modal="false" for non-modal
+         * dialogs.
          */
         var $anchor = $(this);
         var url = $anchor.attr('href') || $anchor.data('url');
         var selector = $anchor.data('selector') || 'form:not(.gadjo-popup-ignore)';
         var title_selector = $anchor.data('title-selector') || '#appbar h2';
         var inplace_submit = $anchor.data('inplace-submit');
+        var modal = $anchor.data('modal');
+        if (modal === undefined) {
+            modal = true;
+        }
 
         function show_error(message) {
           /* Add a div to body to show an error message and fade it out after 3
@@ -112,7 +119,7 @@ var gadjo_js = gadjo_js || {};
                 var title = $html.find(title_selector).text();
 
                 $form.dialog({
-                  modal: true, 
+                  modal: modal,
                   'title': title,
                   width: 'auto',
                   close: function (ev, ui) {