{

/**

* Begins tracking this page, that is, reporting to Google servers activity associated with a particular account.

* @param string $accountNumber This is a number given to you by Google that uniquely associates you with your account.

*/

static function Track($accountNumber)

{

// URL to download Google Analytics API JavaScripts. Note that there is a http and a https version.

$url = (isset($_SERVER['HTTPS'])?'https://ssl.':'http://www.') . 'google-analytics.com/ga.js';

// Add those scripts.

ClientScript::AddSource($url, false);

// The code to report this use of the page to Google servers.

ClientScript::RaceQueue(WebPage::That(), '_gat', "pageTracker = _gat._getTracker('$accountNumber');pageTracker._trackPageview();");

// Report back to Google servers every time tokens are changed too.

URL::SetTracker(new RaceClientEvent('pageTracker', 'pageTracker._trackPageview', URL::Tokens));

}