load the navtree javascript on demand; don't try setting up the tree until it's loaded

var SITE_ROOT = toRoot + basePath.substring(1,basePath.indexOf("/",1));

var GOOGLE_DATA; // combined data for google service apis, used for search suggest

// Ensure that all ajax getScript() requests allow caching

$.ajaxSetup({

  cache: true

});

/******  ON LOAD SET UP STUFF *********/

}

function init_default_navtree(toroot) {

  // load json file for navtree data

  $.getScript(toRoot + 'navtree_data.js', function(data, textStatus, jqxhr) {

      // when the file is loaded, initialize the tree

      if(jqxhr.status === 200) {

          init_navtree("tree-list", toroot, NAVTREE_DATA);

      }

  });

  // perform api level toggling because because the whole tree is new to the DOM

  var selectedLevel = $("#apiLevelSelector option:selected").val();

<?cs if:reference.gms || reference.gcm || google?>

<script src="<?cs var:toroot ?>gms_navtree_data.js" async type="text/javascript"></script>

<script src="<?cs var:toroot ?>gcm_navtree_data.js" async type="text/javascript"></script>

<?cs elif:reference ?>

<script src="<?cs var:toroot ?>navtree_data.js" async type="text/javascript"></script>

<?cs /if ?>

<script type="text/javascript">