diff --git a/web/templates/default/msgs/msg.inc b/web/templates/default/msgs/msg.inc
index e7f5fbd28b35f79293b930c05bf19320b7ec07d8..1d74e6f9869bca85f9d3fce7e467e0c0a41f6514 100644
--- a/web/templates/default/msgs/msg.inc
+++ b/web/templates/default/msgs/msg.inc
@@ -3,7 +3,7 @@
 
 <table class="msg" border="0" width="95%">
 <tr class="msg">
-    <td width="1%" class="msgheader" nowrap="nowrap">Subject:</td>
+    <td width="1%" class="msgheader" nowrap="nowrap" onDblClick="window.open().document.write('%%hfields%%')">Subject:</td>
     <td nowrap="nowrap">%%hdr:subject%%</td>
     <td width="1%" class="msgheader" nowrap="nowrap">Date:</td>
     <td nowrap="nowrap">%%JS:system.timestr(@@hdr:when_written_time@@)%%</td>