Add link to close message part window

skins/default/mail.css

@@ -213,7 +213,10 @@ td.formlinks a:visited
   position: absolute;
   top: 10px;
   left: 220px;
+  right: 20px;
   height: 40px;
+  /* css hack for IE */
+  width: expression((parseInt(document.documentElement.clientWidth)-240)+'px');
 }
 
 #partheader table td

skins/default/templates/messagepart.html

@@ -11,6 +11,10 @@
 
 <div id="partheader">
 <roundcube:object name="messagePartControls" cellpadding="2" cellspacing="0" />
+
+<div style="position:absolute; top:2px; right:0; width:12em; text-align:right">
+  [<a href="#close" class="closelink" onclick="self.close()"><roundcube:label name="close" /></a>]
+</div>
 </div>