diff --git a/UI/WebServerResources/UIxOccurenceDialog.js b/UI/WebServerResources/UIxOccurenceDialog.js
index d62e9a670..1dc281fc1 100644
--- a/UI/WebServerResources/UIxOccurenceDialog.js
+++ b/UI/WebServerResources/UIxOccurenceDialog.js
@@ -1,42 +1,42 @@
 /* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 
 function onCancelButtonClick(event) {
-  window.close();
+    window.close();
 }
 
 function onThisButtonClick(event) {
-  if (action == 'edit')
-    window.opener.performEventEdition(calendarFolder, componentName,
-																			recurrenceName);
-  else if (action == 'delete')
-    window.opener.performEventDeletion(calendarFolder, componentName,
-																			 recurrenceName);
-  else
-    window.alert("Invalid action: " + action);
+    if (action == 'edit')
+        window.opener.performEventEdition(calendarFolder, componentName,
+                                          recurrenceName);
+    else if (action == 'delete')
+        window.opener.performEventDeletion(calendarFolder, componentName,
+                                           recurrenceName);
+    else
+        window.alert("Invalid action: " + action);
 
-  window.close();
+    window.close();
 }
 
 function onAllButtonClick(event) {
-  if (action == 'edit')
-    window.opener.performEventEdition(calendarFolder, componentName);
-  else if (action == 'delete')
-    window.opener.performEventDeletion(calendarFolder, componentName);
-  else
-    window.alert("Invalid action: " + action);
+    if (action == 'edit')
+        window.opener.performEventEdition(calendarFolder, componentName);
+    else if (action == 'delete')
+        window.opener.performEventDeletion(calendarFolder, componentName);
+    else
+        window.alert("Invalid action: " + action);
 
-  window.close();
+    window.close();
 }
 
 function onOccurenceDialogLoad() {
-  var thisButton = $("thisButton");
-  thisButton.observe("click", onThisButtonClick);
+    var thisButton = $("thisButton");
+    thisButton.observe("click", onThisButtonClick);
 
-  var allButton = $("allButton");
-  allButton.observe("click", onAllButtonClick);
+    var allButton = $("allButton");
+    allButton.observe("click", onAllButtonClick);
 
-  var cancelButton = $("cancelButton");
-  cancelButton.observe("click", onCancelButtonClick);
+    var cancelButton = $("cancelButton");
+    cancelButton.observe("click", onCancelButtonClick);
 }
 
 document.observe("dom:loaded", onOccurenceDialogLoad);