Load Contao Googleanalytics tracking after window load

contao-googleanalytics-window-load.html

<!-- indexer::stop -->
<!-- Google Analytics -->
<script type="text/javascript">
    <!--//--><![CDATA[//><!--
    window.addEvent('load', function()
    {
        var gaJsHost = (('https:' == document.location.protocol) ? 'https://ssl.' : 'http://www.');
        Asset.javascript(gaJsHost + 'google-analytics.com/ga.js',
        {
            onload: function()
            {
                var pageTracker = _gat._getTracker('UA-XXXXX-X');
                pageTracker._initData();
                pageTracker._trackPageview();
            }
        });
    });
    //--><!]]>
</script>
<!-- End Google Analytics Tag -->
<!-- indexer::continue -->