gaTrackerId = 'UA-7425416-2'; // insert your tracker id here

document.observe('dom:loaded', function() {
var gaJsHost = (
('https:' == document.location.protocol)
? 'https://ssl.'
: 'http://www.'
) + 'google-analytics.com/ga.js';
var script = new Element('script', { 'src': gaJsHost});
var gaTrack = function() {
if (
!script.readyState
|| /loaded|complete/.test(script.readyState)
) {
var pageTracker = _gat._getTracker(gaTrackerId);
pageTracker._trackPageview();
}
};
script.observe('load', gaTrack);
script.observe('readystatechange', gaTrack);
document.body.appendChild(script);
});