diff --git a/mkdocs/build.py b/mkdocs/build.py
index 40985488..38d83e5b 100644
--- a/mkdocs/build.py
+++ b/mkdocs/build.py
@@ -103,6 +103,12 @@ def get_context(page, content, nav, toc, meta, config):
     else:
         site_favicon = None
 
+    if config['extra_javascript']:
+        config['extra_javascript'] = utils.create_media_urls(nav=nav, url_list=config['extra_javascript'])
+
+    if config['extra_css']:
+        config['extra_css'] = utils.create_media_urls(nav=nav, url_list=config['extra_css'])
+
     return {
         'site_name': site_name,
         'site_author': config['site_author'],
diff --git a/mkdocs/test.py b/mkdocs/test.py
index 27241ae8..f19348f8 100755
--- a/mkdocs/test.py
+++ b/mkdocs/test.py
@@ -105,6 +105,23 @@ class UtilsTests(unittest.TestCase):
             is_html = utils.is_html_file(path)
             self.assertEqual(is_html, expected_result)
 
+    def test_create_media_urls(self):
+        pages = [
+            ('index.md', 'Home'),
+            ('about.md', 'About')
+        ]
+        expected_results = {
+            'https://media.cdn.org/jquery.js': 'https://media.cdn.org/jquery.js',
+            'http://media.cdn.org/jquery.js': 'http://media.cdn.org/jquery.js',
+            '//media.cdn.org/jquery.js': '//media.cdn.org/jquery.js',
+            'media.cdn.org/jquery.js': './media.cdn.org/jquery.js',
+            'local/file/jquery.js': './local/file/jquery.js',
+        }
+        site_navigation = nav.SiteNavigation(pages)
+        for path, expected_result in expected_results.items():
+            urls = utils.create_media_urls(site_navigation, [path])
+            self.assertEqual(urls[0], expected_result)
+
 
 class TableOfContentsTests(unittest.TestCase):
     def markdown_to_toc(self, markdown_source):
diff --git a/mkdocs/themes/mkdocs/base.html b/mkdocs/themes/mkdocs/base.html
index 97902fe9..acaeb1cc 100644
--- a/mkdocs/themes/mkdocs/base.html
+++ b/mkdocs/themes/mkdocs/base.html
@@ -16,7 +16,7 @@
         <link href="{{ base_url }}/css/font-awesome-4.0.3.css" rel="stylesheet">
         <link href="{{ base_url }}/css/prettify-1.0.css" rel="stylesheet">
         <link href="{{ base_url }}/css/base.css" rel="stylesheet">
-        {% for path in extra_css %}<link href="{{ base_url }}/{{ path }}" rel="stylesheet">{% endfor %}
+        {% for path in extra_css %}<link href="{{ path }}" rel="stylesheet">{% endfor %}
 
         <!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
         <!--[if lt IE 9]>
@@ -60,6 +60,6 @@
         <script src="{{ base_url }}/js/bootstrap-3.0.3.min.js"></script>
         <script src="{{ base_url }}/js/prettify-1.0.min.js"></script>
         <script src="{{ base_url }}/js/base.js"></script>
-        {% for path in extra_javascript %}<script src="{{ base_url }}/{{ path }}"></script>{% endfor %}
+        {% for path in extra_javascript %}<script src="{{ path }}"></script>{% endfor %}
     </body>
 </html>
diff --git a/mkdocs/themes/readthedocs/base.html b/mkdocs/themes/readthedocs/base.html
index 3df55b22..5706857a 100644
--- a/mkdocs/themes/readthedocs/base.html
+++ b/mkdocs/themes/readthedocs/base.html
@@ -11,13 +11,12 @@
 
   <link rel="stylesheet" href="{{ base_url }}/css/theme.css" type="text/css" />
   {% for path in extra_css %}
-    <link href="{{ base_url }}/{{ path }}" rel="stylesheet">
+    <link href="{{ path }}" rel="stylesheet">
   {% endfor %}
 
-  <script type="text/javascript" src="{{ base_url }}/js/theme.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
   {% for path in extra_javascript %}
-    <script src="{{ base_url }}/{{ path }}"></script>
+    <script src="{{ path }}"></script>
   {% endfor %}
 
   <style>
diff --git a/mkdocs/utils.py b/mkdocs/utils.py
index fc8d88f4..c2da9c48 100644
--- a/mkdocs/utils.py
+++ b/mkdocs/utils.py
@@ -10,6 +10,8 @@ and structure of the site and pages in the site.
 import os
 import shutil
 
+from mkdocs.compat import urlparse
+
 
 def copy_file(source_path, output_path):
     """
@@ -128,3 +130,19 @@ def is_html_file(path):
         '.html',
         '.htm',
     ]
+
+
+def create_media_urls(nav, url_list):
+    """
+    Return a list of URLs that have been processed correctly for inclusion in a page.
+    """
+    final_urls = []
+    for url in url_list:
+        # Allow links to fully qualified URL's
+        parsed = urlparse(url)
+        if parsed.netloc:
+            final_urls.append(url)
+        else:
+            relative_url = '%s/%s' % (nav.url_context.make_relative('/'), url)
+            final_urls.append(relative_url)
+    return final_urls