Index: openacs-4/packages/calendar/www/view-month-display.adp
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/www/view-month-display.adp,v
diff -u -N -r1.23.6.2 -r1.23.6.3
--- openacs-4/packages/calendar/www/view-month-display.adp	18 Jan 2017 08:26:36 -0000	1.23.6.2
+++ openacs-4/packages/calendar/www/view-month-display.adp	24 Feb 2017 15:50:19 -0000	1.23.6.3
@@ -37,7 +37,7 @@
           &nbsp;<span class="screen-reader-only">[</span><a href="@items.day_url@" title="#calendar.goto_day_items_pretty_date#">@items.day_number@</a><span class="screen-reader-only"> ]</span>
 
           <group column="day_number">
-            <if @items.event_name@ true>
+            <if @items.event_name@ ne "">
               <div class="cal-month-event @items.style_class@">
                 <a href="@items.event_url@" title="#calendar.goto_items_event_name#">
                   <if @items.time_p;literal@ true>@items.start_time@</if>
Index: openacs-4/packages/calendar/www/view-month-display.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/www/view-month-display.tcl,v
diff -u -N -r1.26.2.3 -r1.26.2.4
--- openacs-4/packages/calendar/www/view-month-display.tcl	14 Feb 2017 09:02:55 -0000	1.26.2.3
+++ openacs-4/packages/calendar/www/view-month-display.tcl	24 Feb 2017 15:50:19 -0000	1.26.2.4
@@ -195,7 +195,6 @@
             add_body_script -script [subst {
                 var e =  document.getElementById('month-calendar-$current_day_ansi');
                 e.addEventListener('click', function (event) {
-                    event.preventDefault();
                     location.href = '$add_url';
                 });
                 e.addEventListener('keypress', function (event) {
@@ -213,7 +212,7 @@
              -first_julian_date_of_month $first_julian_date_of_month]
 
     set current_day_ansi [dt_julian_to_ansi $current_day]
-    set add_url [export_vars -base ${calendar_url}cal-item-new {{date $current_day_ansi} {start_time ""} {end_time ""}}]
+    set add_url [export_vars -base ${calendar_url}cal-item-new {{date $current_day_ansi} {start_time ""} {end_time ""}}]    
     multirow append items \
         $name \
         [export_vars -base [site_node::get_url_from_object_id -object_id $cal_package_id]cal-item-view {return_url {cal_item_id $item_id}}] \
@@ -241,7 +240,6 @@
     add_body_script -script [subst {
         var e =  document.getElementById('month-calendar-$current_day_ansi');
         e.addEventListener('click', function (event) {
-            event.preventDefault();
             location.href = '$add_url';
         });
         e.addEventListener('keypress', function (event) {
@@ -293,7 +291,6 @@
             add_body_script -script [subst {
                 var e =  document.getElementById('month-calendar-$current_day_ansi');
                 e.addEventListener('click', function (event) {
-                    event.preventDefault();
                     location.href = '$add_url';
                 });
                 e.addEventListener('keypress', function (event) {