diff --git a/admin/javascript/LeftAndMain.Content.js b/admin/javascript/LeftAndMain.Content.js
index 2852be827..cbc9dc726 100644
--- a/admin/javascript/LeftAndMain.Content.js
+++ b/admin/javascript/LeftAndMain.Content.js
@@ -159,10 +159,10 @@
 						  self.submitForm_responseHandler(form, xmlhttp.responseText, status, xmlhttp, formData);
 						}
 
-						// Simulates a redirect on an ajax response - just exchange the URL without re-requesting it
+						// Simulates a redirect on an ajax response - just exchange the URL without re-requesting it.
 						if(window.History.enabled) {
 							var url = xmlhttp.getResponseHeader('X-ControllerURL');
-							if(url) window.history.replaceState({}, '', url);
+							if(url) window.History.replaceState({}, '', url);
 						}
 						
 						// Re-init tabs (in case the form tag itself is a tabset)
@@ -287,7 +287,7 @@
 				var url = $(node).find('a:first').attr('href');
 				if(url && url != '#') {
 
-					if($(node).find('a:first').is(':internal')) url = url = $.path.makeUrlAbsolute(url, $('base').attr('href'));
+					if($.path.isExternal($(node).find('a:first'))) url = url = $.path.makeUrlAbsolute(url, $('base').attr('href'));
 					// Reload only edit form if it exists (side-by-side view of tree and edit view), otherwise reload whole panel
 					if(container.find('.cms-edit-form').length) {
 						url += '?cms-view-form=1';
diff --git a/admin/javascript/LeftAndMain.Menu.js b/admin/javascript/LeftAndMain.Menu.js
index aeb8226f1..7f6792d63 100644
--- a/admin/javascript/LeftAndMain.Menu.js
+++ b/admin/javascript/LeftAndMain.Menu.js
@@ -207,16 +207,16 @@
 			onclick: function(e) {
 				// Only catch left clicks, in order to allow opening in tabs.
 				// Ignore external links, fallback to standard link behaviour
-				if(e.which > 1 || this.is(':external')) return;
+				var isExternal = $.path.isExternal(this.attr('href'));
+				if(e.which > 1 || isExternal) return;
 				e.preventDefault();
 
 				var item = this.getMenuItem();
 
 				var url = this.attr('href');
-				if(this.is(':internal')) url = $('base').attr('href') + url;
+				if(!isExternal) url = $('base').attr('href') + url;
 				
 				var children = item.find('li');
-
 				if(children.length) {
 					children.first().find('a').click();
 				} else {
@@ -261,8 +261,4 @@
 		});
 		
 	});
-
-	// Internal Helper
-	$.expr[':'].internal = function(obj){return obj.href.match(/^mailto\:/) || (obj.hostname == location.hostname);};
-	$.expr[':'].external = function(obj){return !$(obj).is(':internal');};
 }(jQuery));
\ No newline at end of file
diff --git a/admin/javascript/lib.js b/admin/javascript/lib.js
index 6df032e0c..c6437cc7e 100644
--- a/admin/javascript/lib.js
+++ b/admin/javascript/lib.js
@@ -232,8 +232,4 @@
 	};
 	
 	$.path = path;
-
-	// Internal Helper
-	$.expr[':'].internal = function(obj){return obj.href.match(/^mailto\:/) || (obj.hostname == location.hostname);};
-	$.expr[':'].external = function(obj){return !$(obj).is(':internal')};
 }(jQuery));
\ No newline at end of file