<?php
if($_COOKIE['style']=='web'){
setcookie('style', '', -1, '/');
setcookie('style', 'pda', time()+3600*24*365, '/');
}else{
setcookie('style', '', -1, '/');
setcookie('style', 'web', time()+3600*24*365, '/');
}
header('location: /');
?>