Proper async loading of Google Maps script dependencies, scripts are not realoaded if already present on the page. Fixes errors related to multiple instances being included on the page.

git-svn-id: https://share-extras.googlecode.com/svn/trunk/Document Geographic Details@1198 a3f5c567-fd0f-3a89-9b71-a290c5a5f590

Author: wabson

alfresco/site-webscripts/org/sharextras/components/document-details/document-geographic-info.get.head.ftl

@@ -1,7 +1,4 @@
 <#include "/org/alfresco/components/component.head.inc">
 <!-- Document Geographic Information -->
 <@link rel="stylesheet" type="text/css" href="${page.url.context}/res/extras/components/document-details/document-geographic-info.css" />
-<@script type="text/javascript" src="${page.url.context}/res/extras/components/document-details/document-geographic-info.js"></@script>
-<!-- Google Maps scripts -->
-<!-- optional google map key @script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&key=your domain's google maps key" -->
-<@script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></@script>
+<@script type="text/javascript" src="${page.url.context}/res/extras/components/document-details/document-geographic-info.js"></@script>