$referer = str_replace("index.php/", "", $this->input->server('PHP_SELF'));

	$referer = "/lifestyle";
	echo $referer."<br />";
	$referer = base64_encode(rawurlencode($referer));				
	echo $referer."<br />";
		
	$referer = "/weather/special";
	echo $referer."<br />";
	$referer = base64_encode(rawurlencode($referer));				
	echo $referer."<br />";
	
	$referer = "/help";
	echo $referer."<br />";
	$referer = base64_encode(rawurlencode($referer));				
	echo $referer;