I want to use http://maps.google.com/maps/api/js in a portlet having name Banner

for that in gatein-resources.xml i have declaired it as a shaired resource with name googlemap and add googlemap as dependencies of Banner portlet

    <scripts>

        <name>googlemap</name>

        <url>http://maps.google.com/maps/api/js</url>

    </scripts>

    <portlet>

        <name>Banner</name>

        <scripts>

             <depends>

                  <scripts>googlemap</scripts>

             </depends>

        </scripts>

    </portlet>

But while loading Banner portlet,google map is not showing.

If i am declaring http://maps.google.com/maps/api/js  file inside script tag in the jsp file used in Banner portlet, Google map is showing.

Can anybody explain why googlemap js is not loading when declared it inside gatein-resources.xml. All the other scripts reside in local system itself declared in gateing-resources are working fine.