<?
	session_start();

	
	function setWidth($width) {
		$_SESSION['width'] = $width;	
		$_SERVER['HTTP_REFERER'];
	}
	
	function setRefresh($refresh) {
		
		if ($refresh ==  0){
			unset($_SESSION['refresh']);
			unset($_GET['refresh']);
			unset($_SESSION['tour']);
		} else {
			$_SESSION['refresh'] = $refresh;	
		} 
		
	}


	if ( $_GET["width"] AND $_SERVER['HTTP_REFERER'] ) {
		setWidth($_GET["width"]);
	}
	if ( (strlen($_GET["refresh"]) > 0) AND $_SERVER['HTTP_REFERER'] ) {
		setRefresh($_GET["refresh"]);
	}

	header("Location: ".$_SERVER['HTTP_REFERER']);
?>