bug 374078 - Fix datepicker in Lightning sidebar. r=mickey

calendar/lightning/content/messenger-overlay-sidebar.js

@@ -270,6 +270,7 @@ function ltnOnLoad(event)
     var nextmo = nextMonth(today);
 
     document.getElementById("ltnMinimonth").value = today;
+    document.getElementById("ltnDateTextPicker").value = today;
 
     gMiniMonthLoading = false;
 

calendar/lightning/content/messenger-overlay-sidebar.xul

@@ -149,8 +149,8 @@
     </hbox>
     <hbox id="ltnDateTextPickerBox">
       <spacer flex="1"/>
-      <datepicker id="ltnDateTextPicker" oncommand="ltnGoToDate()"/>
-      <spacer flex="1"/> 
+      <datepicker id="ltnDateTextPicker" onchange="ltnMinimonthPick(this)"/>
+      <spacer flex="1"/>
     </hbox>
 
     <tabbox id="ltnTabpanelBox" flex="1">