diff --git a/phpBB/assets/javascript/core.js b/phpBB/assets/javascript/core.js
index 958b6c9ff6..76615eb051 100644
--- a/phpBB/assets/javascript/core.js
+++ b/phpBB/assets/javascript/core.js
@@ -436,14 +436,47 @@ phpbb.add_ajax_callback = function(id, callback)
  * the alt-text data attribute, and replaces the text in the attribute with the
  * current text so that the process can be repeated.
  */
-phpbb.add_ajax_callback('alt_text', function(data) {
+phpbb.add_ajax_callback('alt_text', function() {
 	var el = $(this),
 		alt_text;
 
 	alt_text = el.attr('data-alt-text');
+	el.attr('data-alt-text', el.text());
 	el.attr('title', alt_text);
 	el.text(alt_text);
 });
 
+/**
+ * This callback is based on the alt_text callback.
+ *
+ * It replaces the current text with the text in the alt-text data attribute,
+ * and replaces the text in the attribute with the current text so that the
+ * process can be repeated.
+ * Additionally it replaces the class of the link's parent
+ * and changes the link itself.
+ */
+phpbb.add_ajax_callback('toggle_link', function() {
+	var el = $(this),
+		toggle_text,
+		toggle_url,
+		toggle_class;
+
+	// Toggle link text
+
+	toggle_text = el.attr('data-toggle-text');
+	el.attr('data-toggle-text', el.text());
+	el.attr('title', toggle_text);
+	el.text(toggle_text);
+
+	// Toggle link url
+	toggle_url = el.attr('data-toggle-url');
+	el.attr('data-toggle-url', el.attr('href'));
+	el.attr('href', toggle_url);
+
+	// Toggle class of link parent
+	toggle_class = el.attr('data-toggle-class');
+	el.attr('data-toggle-class', el.parent().attr('class'));
+	el.parent().attr('class', toggle_class);
+});
 
 })(jQuery); // Avoid conflicts with other libraries
diff --git a/phpBB/includes/functions_display.php b/phpBB/includes/functions_display.php
index 1f45d5e8e1..545f75ad67 100644
--- a/phpBB/includes/functions_display.php
+++ b/phpBB/includes/functions_display.php
@@ -1221,7 +1221,9 @@ function watch_topic_forum($mode, &$s_watching, $user_id, $forum_id, $topic_id,
 	if ($can_watch)
 	{
 		$s_watching['link'] = append_sid("{$phpbb_root_path}view$mode.$phpEx", "$u_url=$match_id&" . (($is_watching) ? 'unwatch' : 'watch') . "=$mode&start=$start&hash=" . generate_link_hash("{$mode}_$match_id"));
+		$s_watching['link_toggle'] = append_sid("{$phpbb_root_path}view$mode.$phpEx", "$u_url=$match_id&" . ((!$is_watching) ? 'unwatch' : 'watch') . "=$mode&start=$start&hash=" . generate_link_hash("{$mode}_$match_id"));
 		$s_watching['title'] = $user->lang[(($is_watching) ? 'STOP' : 'START') . '_WATCHING_' . strtoupper($mode)];
+		$s_watching['title_toggle'] = $user->lang[((!$is_watching) ? 'STOP' : 'START') . '_WATCHING_' . strtoupper($mode)];
 		$s_watching['is_watching'] = $is_watching;
 	}
 
diff --git a/phpBB/styles/prosilver/template/overall_footer.html b/phpBB/styles/prosilver/template/overall_footer.html
index 2cb721073f..b473e7022c 100644
--- a/phpBB/styles/prosilver/template/overall_footer.html
+++ b/phpBB/styles/prosilver/template/overall_footer.html
@@ -8,9 +8,9 @@
 		<ul class="linklist">
 			<li class="icon-home"><a href="{U_INDEX}" accesskey="h">{L_INDEX}</a></li>
 				<!-- IF not S_IS_BOT -->
-					<!-- IF S_WATCH_FORUM_LINK --><li <!-- IF S_WATCHING_FORUM -->class="icon-unsubscribe"<!-- ELSE -->class="icon-subscribe"<!-- ENDIF -->><a href="{S_WATCH_FORUM_LINK}" title="{S_WATCH_FORUM_TITLE}" data-ajax="alt_text" data-alt-text="<!-- IF S_WATCHING_FORUM -->{L_START_WATCHING_FORUM}<!-- ELSE -->{L_STOP_WATCHING_FORUM}<!-- ENDIF -->">{S_WATCH_FORUM_TITLE}</a></li><!-- ENDIF -->
-					<!-- IF U_WATCH_TOPIC --><li <!-- IF S_WATCHING_TOPIC -->class="icon-unsubscribe"<!-- ELSE -->class="icon-subscribe"<!-- ENDIF -->><a href="{U_WATCH_TOPIC}" title="{L_WATCH_TOPIC}" data-ajax="alt_text" data-alt-text="<!-- IF S_WATCHING_TOPIC -->{L_START_WATCHING_TOPIC}<!-- ELSE -->{L_STOP_WATCHING_TOPIC}<!-- ENDIF -->">{L_WATCH_TOPIC}</a></li><!-- ENDIF -->
-					<!-- IF U_BOOKMARK_TOPIC --><li class="icon-bookmark"><a href="{U_BOOKMARK_TOPIC}" title="{L_BOOKMARK_TOPIC}" data-ajax="alt_text" data-alt-text="<!-- IF S_BOOKMARKED_TOPIC -->{L_BOOKMARK_TOPIC_REAL}<!-- ELSE -->{L_BOOKMARK_TOPIC_REMOVE}<!-- ENDIF -->">{L_BOOKMARK_TOPIC}</a></li><!-- ENDIF -->
+					<!-- IF U_WATCH_FORUM_LINK --><li <!-- IF S_WATCHING_FORUM -->class="icon-unsubscribe"<!-- ELSE -->class="icon-subscribe"<!-- ENDIF -->><a href="{U_WATCH_FORUM_LINK}" title="{S_WATCH_FORUM_TITLE}" data-ajax="toggle_link" data-toggle-class="icon-<!-- IF not S_WATCHING_FORUM -->unsubscribe<!-- ELSE -->subscribe<!-- ENDIF -->" data-toggle-text="{S_WATCH_FORUM_TOGGLE}" data-toggle-url="{U_WATCH_FORUM_TOGGLE}">{S_WATCH_FORUM_TITLE}</a></li><!-- ENDIF -->
+					<!-- IF U_WATCH_TOPIC --><li <!-- IF S_WATCHING_TOPIC -->class="icon-unsubscribe"<!-- ELSE -->class="icon-subscribe"<!-- ENDIF -->><a href="{U_WATCH_TOPIC}" title="{S_WATCH_TOPIC_TITLE}" data-ajax="toggle_link" data-toggle-class="<!-- IF not S_WATCHING_TOPIC -->icon-unsubscribe<!-- ELSE -->icon-subscribe<!-- ENDIF -->" data-toggle-text="{S_WATCH_TOPIC_TOGGLE}" data-toggle-url="{U_WATCH_TOPIC_TOGGLE}">{S_WATCH_TOPIC_TITLE}</a></li><!-- ENDIF -->
+					<!-- IF U_BOOKMARK_TOPIC --><li class="icon-bookmark"><a href="{U_BOOKMARK_TOPIC}" title="{L_BOOKMARK_TOPIC}" data-ajax="alt_text" data-alt-text="{S_BOOKMARK_TOGGLE}">{S_BOOKMARK_TOPIC}</a></li><!-- ENDIF -->
 					<!-- IF U_BUMP_TOPIC --><li class="icon-bump"><a href="{U_BUMP_TOPIC}" title="{L_BUMP_TOPIC}" data-ajax="true">{L_BUMP_TOPIC}</a></li><!-- ENDIF -->
 				<!-- ENDIF -->
 			<li class="rightside"><!-- IF U_TEAM --><a href="{U_TEAM}">{L_THE_TEAM}</a> &bull; <!-- ENDIF --><!-- IF not S_IS_BOT --><a href="{U_DELETE_COOKIES}" data-ajax="true" data-refresh="true">{L_DELETE_COOKIES}</a> &bull; <!-- ENDIF -->{S_TIMEZONE}</li>
diff --git a/phpBB/styles/subsilver2/template/viewforum_body.html b/phpBB/styles/subsilver2/template/viewforum_body.html
index f132185716..afb8426799 100644
--- a/phpBB/styles/subsilver2/template/viewforum_body.html
+++ b/phpBB/styles/subsilver2/template/viewforum_body.html
@@ -154,7 +154,7 @@
 			<td class="cat" colspan="<!-- IF S_TOPIC_ICONS -->7<!-- ELSE -->6<!-- ENDIF -->">
 				<table width="100%" cellspacing="0">
 				<tr class="nav">
-					<td valign="middle">&nbsp;<!-- IF S_WATCH_FORUM_LINK and not S_IS_BOT --><a href="{S_WATCH_FORUM_LINK}">{S_WATCH_FORUM_TITLE}</a><!-- ENDIF --></td>
+					<td valign="middle">&nbsp;<!-- IF U_WATCH_FORUM_LINK and not S_IS_BOT --><a href="{U_WATCH_FORUM_LINK}">{S_WATCH_FORUM_TITLE}</a><!-- ENDIF --></td>
 					<td align="{S_CONTENT_FLOW_END}" valign="middle"><!-- IF not S_IS_BOT and U_MARK_TOPICS --><a href="{U_MARK_TOPICS}">{L_MARK_TOPICS_READ}</a><!-- ENDIF -->&nbsp;</td>
 				</tr>
 				</table>
diff --git a/phpBB/styles/subsilver2/template/viewtopic_body.html b/phpBB/styles/subsilver2/template/viewtopic_body.html
index 2c5351b926..a4e2dd886a 100644
--- a/phpBB/styles/subsilver2/template/viewtopic_body.html
+++ b/phpBB/styles/subsilver2/template/viewtopic_body.html
@@ -52,8 +52,8 @@
 			<tr>
 				<td class="nav" nowrap="nowrap">&nbsp;
 				<!-- IF not S_IS_BOT -->
-					<!-- IF U_WATCH_TOPIC --><a href="{U_WATCH_TOPIC}" title="{L_WATCH_TOPIC}">{L_WATCH_TOPIC}</a><!-- IF U_PRINT_TOPIC or U_EMAIL_TOPIC or U_BUMP_TOPIC or U_BOOKMARK_TOPIC --> | <!-- ENDIF --><!-- ENDIF -->
-					<!-- IF U_BOOKMARK_TOPIC --><a href="{U_BOOKMARK_TOPIC}" title="{L_BOOKMARK_TOPIC}">{L_BOOKMARK_TOPIC}</a><!-- IF U_PRINT_TOPIC or U_EMAIL_TOPIC or U_BUMP_TOPIC --> | <!-- ENDIF --><!-- ENDIF -->
+					<!-- IF U_WATCH_TOPIC --><a href="{U_WATCH_TOPIC}" title="{S_WATCH_TOPIC_TITLE}">{S_WATCH_TOPIC_TITLE}</a><!-- IF U_PRINT_TOPIC or U_EMAIL_TOPIC or U_BUMP_TOPIC or U_BOOKMARK_TOPIC --> | <!-- ENDIF --><!-- ENDIF -->
+					<!-- IF U_BOOKMARK_TOPIC --><a href="{U_BOOKMARK_TOPIC}" title="{S_BOOKMARK_TOPIC}">{S_BOOKMARK_TOPIC}</a><!-- IF U_PRINT_TOPIC or U_EMAIL_TOPIC or U_BUMP_TOPIC --> | <!-- ENDIF --><!-- ENDIF -->
 					<!-- IF U_PRINT_TOPIC --><a href="{U_PRINT_TOPIC}" title="{L_PRINT_TOPIC}">{L_PRINT_TOPIC}</a><!-- IF U_EMAIL_TOPIC or U_BUMP_TOPIC --> | <!-- ENDIF --><!-- ENDIF -->
 					<!-- IF U_EMAIL_TOPIC --><a href="{U_EMAIL_TOPIC}" title="{L_EMAIL_TOPIC}">{L_EMAIL_TOPIC}</a><!-- IF U_BUMP_TOPIC --> | <!-- ENDIF --><!-- ENDIF -->
 					<!-- IF U_BUMP_TOPIC --><a href="{U_BUMP_TOPIC}" title="{L_BUMP_TOPIC}">{L_BUMP_TOPIC}</a><!-- ENDIF -->
diff --git a/phpBB/viewforum.php b/phpBB/viewforum.php
index 2d91581cf4..6a39f10394 100644
--- a/phpBB/viewforum.php
+++ b/phpBB/viewforum.php
@@ -204,7 +204,9 @@ if (!$config['use_system_cron'])
 // Forum rules and subscription info
 $s_watching_forum = array(
 	'link'			=> '',
+	'link_toggle'	=> '',
 	'title'			=> '',
+	'title_toggle'	=> '',
 	'is_watching'	=> false,
 );
 
@@ -318,8 +320,10 @@ $template->assign_vars(array(
 	'S_SELECT_SORT_KEY'		=> $s_sort_key,
 	'S_SELECT_SORT_DAYS'	=> $s_limit_days,
 	'S_TOPIC_ICONS'			=> ($s_display_active && sizeof($active_forum_ary)) ? max($active_forum_ary['enable_icons']) : (($forum_data['enable_icons']) ? true : false),
-	'S_WATCH_FORUM_LINK'	=> $s_watching_forum['link'],
+	'U_WATCH_FORUM_LINK'	=> $s_watching_forum['link'],
+	'U_WATCH_FORUM_TOGGLE'	=> $s_watching_forum['link_toggle'],
 	'S_WATCH_FORUM_TITLE'	=> $s_watching_forum['title'],
+	'S_WATCH_FORUM_TOGGLE'	=> $s_watching_forum['title_toggle'],
 	'S_WATCHING_FORUM'		=> $s_watching_forum['is_watching'],
 	'S_FORUM_ACTION'		=> append_sid("{$phpbb_root_path}viewforum.$phpEx", "f=$forum_id" . (($start == 0) ? '' : "&amp;start=$start")),
 	'S_DISPLAY_SEARCHBOX'	=> ($auth->acl_get('u_search') && $auth->acl_get('f_search', $forum_id) && $config['load_search']) ? true : false,
diff --git a/phpBB/viewtopic.php b/phpBB/viewtopic.php
index b75f4aeccf..0d6e9afd54 100644
--- a/phpBB/viewtopic.php
+++ b/phpBB/viewtopic.php
@@ -449,7 +449,9 @@ $viewtopic_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&a
 // Are we watching this topic?
 $s_watching_topic = array(
 	'link'			=> '',
+	'link_toggle'	=> '',
 	'title'			=> '',
+	'title_toggle'	=> '',
 	'is_watching'	=> false,
 );
 
@@ -649,13 +651,15 @@ $template->assign_vars(array(
 	'U_PRINT_TOPIC'			=> ($auth->acl_get('f_print', $forum_id)) ? $viewtopic_url . '&amp;view=print' : '',
 	'U_EMAIL_TOPIC'			=> ($auth->acl_get('f_email', $forum_id) && $config['email_enable']) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", "mode=email&amp;t=$topic_id") : '',
 
-	'U_WATCH_TOPIC' 		=> $s_watching_topic['link'],
-	'L_WATCH_TOPIC' 		=> $s_watching_topic['title'],
+	'U_WATCH_TOPIC'			=> $s_watching_topic['link'],
+	'U_WATCH_TOPIC_TOGGLE'	=> $s_watching_topic['link_toggle'],
+	'S_WATCH_TOPIC_TITLE'	=> $s_watching_topic['title'],
+	'S_WATCH_TOPIC_TOGGLE'	=> $s_watching_topic['title_toggle'],
 	'S_WATCHING_TOPIC'		=> $s_watching_topic['is_watching'],
 
 	'U_BOOKMARK_TOPIC'		=> ($user->data['is_registered'] && $config['allow_bookmarks']) ? $viewtopic_url . '&amp;bookmark=1&amp;hash=' . generate_link_hash("topic_$topic_id") : '',
-	'L_BOOKMARK_TOPIC'		=> ($user->data['is_registered'] && $config['allow_bookmarks'] && $topic_data['bookmarked']) ? $user->lang['BOOKMARK_TOPIC_REMOVE'] : $user->lang['BOOKMARK_TOPIC'],
-	'L_BOOKMARK_TOPIC_REAL'	=> $user->lang['BOOKMARK_TOPIC'],
+	'S_BOOKMARK_TOPIC'		=> ($user->data['is_registered'] && $config['allow_bookmarks'] && $topic_data['bookmarked']) ? $user->lang['BOOKMARK_TOPIC_REMOVE'] : $user->lang['BOOKMARK_TOPIC'],
+	'S_BOOKMARK_TOGGLE'		=> (!$user->data['is_registered'] || !$config['allow_bookmarks'] || !$topic_data['bookmarked']) ? $user->lang['BOOKMARK_TOPIC_REMOVE'] : $user->lang['BOOKMARK_TOPIC'],
 	'S_BOOKMARKED_TOPIC'	=> ($user->data['is_registered'] && $config['allow_bookmarks'] && $topic_data['bookmarked']) ? true : false,
 
 	'U_POST_NEW_TOPIC' 		=> ($auth->acl_get('f_post', $forum_id) || $user->data['user_id'] == ANONYMOUS) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=post&amp;f=$forum_id") : '',