1 files changed, 32 insertions, 0 deletions
diff --git a/skins/default/functions.js b/skins/default/functions.js
index 3a37b6d8d..4ef069b88 100644
--- a/skins/default/functions.js
+++ b/skins/default/functions.js
@@ -325,6 +325,38 @@ body_keypress: function(evt, p)
         this[k].hide();
     }
   }
+},
+
+switch_preview_pane: function(elem)
+{
+  var uid, prev_frm = $('#mailpreviewframe');
+
+  if (elem.checked) {
+    rcmail.env.contentframe = 'messagecontframe';
+    if (mailviewsplit.layer) {
+      mailviewsplit.resize();
+      mailviewsplit.layer.elm.style.display = '';
+    } else
+      mailviewsplit.init();
+    prev_frm.show();
+    if (uid = rcmail.message_list.get_single_selection())
+      rcmail.show_message(uid, false, true);
+    rcmail.http_post('save-pref', '_name=preview_pane&_value=1');
+  } else {
+    prev_frm.hide();
+    if (bw.ie6 || bw.ie7) {
+      var fr = document.getElementById('mailcontframe');
+      fr.style.bottom = 0;
+      fr.style.height = parseInt(fr.parentNode.offsetHeight)+'px';  
+    }
+    else
+      $('#mailcontframe').css({height: 'auto', bottom: 0});
+    if (mailviewsplit.layer)
+      mailviewsplit.layer.elm.style.display = 'none';
+    rcmail.env.contentframe = null;
+    rcmail.show_contentframe(false);
+    rcmail.http_post('save-pref', '_name=preview_pane&_value=0');
+  }
 }
 
 };