$ip = $_SERVER['REMOTE_ADDR'];
	$referrer = $_SERVER['HTTP_REFERER'];
	$reffed = false;
	if(strpos($referrer,'facebook')!==false){
		$reffed=true;
	}
	global $wpdb;
	$dateNow = date("Y-m-d H:i:s");
	$check = false;
	$myrows = $wpdb->get_results("SELECT id FROM wp_ips WHERE `ip`='$ip' AND `date` > (NOW() - INTERVAL 15 MINUTE)");
	if(empty($myrows)) {
		$wpdb->insert(
			'wp_ips',
			array(
				'ip' => $ip,
				'date' => $dateNow
			)
		);
		$check = true;
	}
$randNum = rand(1,2);

?>
<?php if($reffed && $randNum==1){ ?>