<? 
function selfURL() { 
	$s = empty($_SERVER["HTTPS"]) ? '' : ($_SERVER["HTTPS"] == "on") ? "s" : ""; 
	$protocol = strleft(strtolower($_SERVER["SERVER_PROTOCOL"]), "/").$s; 
	$port = ($_SERVER["SERVER_PORT"] == "80") ? "" : (":".$_SERVER["SERVER_PORT"]); 
	//return $protocol."://".$_SERVER['SERVER_NAME'].$port.$_SERVER['REQUEST_URI']; 
	return $_SERVER['REQUEST_URI']; 
	} 

	
function strleft($s1, $s2) { 
	return substr($s1, 0, strpos($s1, $s2)); 
	} 

$url=getenv("HTTP_REFERER");
echo $url;

if ($url=='about-us.html') $bkgimage='header.jpg';

?>

div.td_background_tdreach {
background-image:url(images/<? if ($bkgimage) : echo $bkgimage; else : echo 'head-birding-ne-spain-iti.jpg'; endif; ?>);
background-repeat:no-repeat;
background-position:center top;
margin-right:auto;
margin-left:auto;
}