Something

I added 

<tal:block define="mapheader here/get_map_header;" condition="python:mapheader">
		<div class="mapheader" tal:content="structure python: mapheader.CookedBody(stx_level=2)">
		HEADER
		</div>
	</tal:block>

and


<tal:block define="mapfooter here/get_map_footer;" condition="python:mapfooter">
		<div class="mapfooter" tal:content="structure python: mapfooter.CookedBody(stx_level=2)">
		FOOTER
		</div>
	</tal:block> 







<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
      xmlns:tal="http://xml.zope.org/namespaces/tal"
      xmlns:metal="http://xml.zope.org/namespaces/metal"
      lang="en"
      metal:use-macro="here/main_template/macros/master"
      i18n:domain="plone">

<head></head>

<body>
  <metal:main fill-slot="main">
    <tal:main-macro metal:define-macro="main"
                    define="view context/@@maps_googlemaps_view">

      <div metal:use-macro="here/document_actions/macros/document_actions">
        Document actions (print, sendto etc)
      </div>

      <h1 tal:content="here/Title" class="documentFirstHeading"> Title </h1>

      <div metal:use-macro="here/document_byline/macros/byline">
        Get the byline - contains details about author and modification date.
      </div>

	<tal:block define="mapheader here/get_map_header;" condition="python:mapheader">
		<div class="mapheader" tal:content="structure python: mapheader.CookedBody(stx_level=2)">
		HEADER
		</div>
	</tal:block>

      <p class="documentDescription"
         tal:content="here/Description"
         tal:condition="here/Description">
        Description
      </p>

      <div class="googleMapView">
        <dl>
        <tal:markers tal:repeat="marker view/getMarkers">
          <dt class="title">
            <img src="" tal:replace="structure python:view.iconTagForMarker(marker)" />
            <a href=""
               tal:attributes="href marker/url"
               tal:content="marker/title"> Title </a>
          </dt>
          <dd class="tab"
              title="Description"
              tal:condition="marker/description"
              i18n:attributes="title label_description;">
            <div tal:content="marker/description" />
          </dd>
          <dd class="tab"
              tal:condition="marker/contents | nothing"
              tal:repeat="content marker/contents"
              tal:attributes="title content/title">
            <div tal:replace="structure content/text" />
            <div class="visualClear"><!-- --></div>
          </dd>
          <dd class="geo">
            <span class="latitude" tal:content="marker/latitude" />
            <span class="longitude" tal:content="marker/longitude" />
          </dd>
          <dd class="layers"
              tal:condition="marker/layers | nothing">
            <ul>
              <li tal:repeat="layer marker/layers"
                  tal:content="layer">Layer</li>
            </ul>
          </dd>
          <tal:block tal:condition="marker/related_items | nothing">
            <dt i18n:translate="label_related_items">Related Items</dt>
            <dd>
              <tal:related tal:repeat="related marker/related_items">
                <a href=""
                   tal:attributes="href related/url;
                                   title related/description | nothing"
                   tal:content="related/title" />
              </tal:related>
            </dd>
          </tal:block>
        </tal:markers>
        </dl>
      </div>
   
	<tal:block define="mapfooter here/get_map_footer;" condition="python:mapfooter">
		<div class="mapfooter" tal:content="structure python: mapfooter.CookedBody(stx_level=2)">
		FOOTER
		</div>
	</tal:block> 

   </tal:main-macro>
  </metal:main>
</body>

</html>