diff --git a/UI/Common/UIxAclEditor.m b/UI/Common/UIxAclEditor.m
index 12a45f503..e0328ace9 100644
--- a/UI/Common/UIxAclEditor.m
+++ b/UI/Common/UIxAclEditor.m
@@ -84,6 +84,11 @@
   return [self _displayNameForUID: ownerLogin];
 }
 
+- (NSString *) defaultUserID
+{
+  return SOGoDefaultUserID;
+}
+
 - (void) _prepareUsers
 {
   NSEnumerator *aclsEnum;
@@ -98,6 +103,7 @@
     {
       currentUID = [currentAcl objectForKey: @"c_uid"];
       if (!([currentUID isEqualToString: ownerLogin]
+	    || [currentUID isEqualToString: SOGoDefaultUserID]
 	    || [users containsObject: currentUID]))
 	  [users addObject: currentUID];
       currentAcl = [aclsEnum nextObject];
diff --git a/UI/Templates/UIxAclEditor.wox b/UI/Templates/UIxAclEditor.wox
index 20d933583..58ba94c90 100644
--- a/UI/Templates/UIxAclEditor.wox
+++ b/UI/Templates/UIxAclEditor.wox
@@ -14,12 +14,16 @@
   <form id="aclForm" const:href="saveAcls">
     <div class="acls">
       <div id="userSelectorHeader">
+	<input type="hidden" name="defaultUserID" id="defaultUserID"
+	  var:value="defaultUserID"/>
 	<input type="hidden" name="action" value="saveAcls"/>
 	<input type="hidden" id="userUIDS" name="userUIDS"
 	  var:value="userUIDS"/>
 	<label><var:string label:value="Owner:"/><br/>
 	  <span class="value"><strong><var:string value="ownerName"/></strong></span></label><br/>
       </div>
+      <input id="defaultRolesBtn" type="button"
+	class="button" label:value="Default Roles"/>
       <div class="userSelector" id="userRoles">
 	<var:if condition="currentUserIsOwner">
 	  <span id="userSelectorButtons">
diff --git a/UI/WebServerResources/UIxAclEditor.css b/UI/WebServerResources/UIxAclEditor.css
index c2f375a2a..4358f979e 100644
--- a/UI/WebServerResources/UIxAclEditor.css
+++ b/UI/WebServerResources/UIxAclEditor.css
@@ -17,12 +17,17 @@ DIV.acls LABEL
 DIV#userSelectorHeader
 { margin: 1em; }
 
+INPUT#defaultRolesBtn
+{ position: absolute;
+  top: 5em;
+  left: 1em; }
+
 DIV#userRoles
 { position: absolute;
   padding: 0px;
   margin: 0px;
   left: 1em;
-  top: 5em;
+  top: 7em;
   right: 1em;
   bottom: 0px; }
 
diff --git a/UI/WebServerResources/UIxAclEditor.js b/UI/WebServerResources/UIxAclEditor.js
index 779d95753..74845b325 100644
--- a/UI/WebServerResources/UIxAclEditor.js
+++ b/UI/WebServerResources/UIxAclEditor.js
@@ -1,6 +1,7 @@
 /* test */
 
 var contactSelectorAction = 'acls-contacts';
+var defaultUserID = '';
 
 function addUser(userName, userID) {
    if (!$(userID)) {
@@ -17,13 +18,17 @@ function addUser(userName, userID) {
 function addUserCallback(http) {
 }
 
+function setEventsOnUserNode(node) {
+   Event.observe(node, "mousedown", listRowMouseDownHandler);
+   Event.observe(node, "dblclick", onOpenUserRights);
+   Event.observe(node, "click", onRowClick);
+}
+
 function nodeForUser(userName, userId) {
    var node = document.createElement("li");
    node.setAttribute("id", userId);
    node.setAttribute("class", "");
-   node.addEventListener("mousedown", listRowMouseDownHandler, true);
-   node.addEventListener("dblclick", onOpenUserRights, false);
-   node.addEventListener("click", onRowClick, true);
+   setEventsOnUserNode(node);
 
    var image = document.createElement("img");
    image.setAttribute("src", ResourcesURL + "/abcard.gif");
@@ -82,44 +87,50 @@ function subscribeToFolder(refreshCallback, refreshCallbackData) {
 	   refreshCallbackData["folder"]);
 }
 
+function openRightsForUserID(userID) {
+   var url = window.location.href;
+   var elements = url.split("/");
+   elements[elements.length-1] = "userRights?uid=" + userID;
+
+   window.open(elements.join("/"), "",
+	       "width=" + this.userRightsWidth
+	       + ",height=" + this.userRightsHeight
+	       + ",resizable=0,scrollbars=0,toolbar=0,"
+	       + "location=0,directories=0,status=0,menubar=0,copyhistory=0");
+}
+
 function openRightsForUser(button) {
   var nodes = $("userList").getSelectedRows();
-  if (nodes.length > 0) {
-    var url = window.location.href;
-    var elements = url.split("/");
-    elements[elements.length-1] = ("userRights?uid="
-                                   + nodes[0].getAttribute("id"));
-
-    window.open(elements.join("/"), "",
-		"width=" + this.userRightsWidth
-		+ ",height=" + this.userRightsHeight
-		+ ",resizable=0,scrollbars=0,toolbar=0,"
-		+ "location=0,directories=0,status=0,menubar=0,copyhistory=0");
-  }
+  if (nodes.length > 0)
+     openRightsForUserID(nodes[0].getAttribute("id"));
 
   return false;
 }
 
+function openRightsForDefaultUser(event) {
+   openRightsForUserID(defaultUserID);
+   event.preventDefault();
+}
+
 function onOpenUserRights(event) {
    openRightsForUser();
    event.preventDefault();
 }
 
 function onAclLoadHandler() {
-  var ul = $("userList");
-  var lis = ul.childNodesWithTag("li");
-  for (var i = 0; i < lis.length; i++) {
-     lis[i].addEventListener("mousedown", listRowMouseDownHandler, false);
-     lis[i].addEventListener("dblclick", onOpenUserRights, false);
-     lis[i].addEventListener("click", onRowClick, false);
-  }
+   defaultUserID = $("defaultUserID").value;
+   Event.observe($("defaultRolesBtn"), "click", openRightsForDefaultUser);
+   var ul = $("userList");
+   var lis = ul.childNodesWithTag("li");
+   for (var i = 0; i < lis.length; i++)
+      setEventsOnUserNode(lis[i]);
 
-  var buttons = $("userSelectorButtons").childNodesWithTag("a");
-  buttons[0].addEventListener("click", onUserAdd, false);
-  buttons[1].addEventListener("click", onUserRemove, false);
+   var buttons = $("userSelectorButtons").childNodesWithTag("a");
+   Event.observe(buttons[0], "click", onUserAdd);
+   Event.observe(buttons[1], "click", onUserRemove);
 
-  this.userRightsHeight = window.opener.getUsersRightsWindowHeight();
-  this.userRightsWidth = window.opener.getUsersRightsWindowWidth();
+   this.userRightsHeight = window.opener.getUsersRightsWindowHeight();
+   this.userRightsWidth = window.opener.getUsersRightsWindowWidth();
 }
 
-window.addEventListener("load", onAclLoadHandler, false);
+Event.observe(window, "load", onAclLoadHandler);