code: public function getTrackerUrl ($action)
  	{
  		$data = array
  		(
  			'tracker' => $action
  		);
  
  		if (isset ($this->email))
  		{
  			$data['email'] = $this->email;
  		}
  
  		if (count($this->openid_hashed) > 0)
  		{
  			$data['openidhash'] = $this->openid_hashed[0];
  			$data['openid'] = $this->openids[0];
  		}
  
  		$url = $this->getSignedURL (self::TRACKER_GATEWAY_URL.'track/', $data);
  
  		return $url;
  	}
docs: /*
  @param $action: login / register
  
  Load this URL in an iframe in order to get the right trackers