In your index.php
global $query_string;
setcookie('my_wp_query', $query_string);
or
global $query_string;
$_SESSION['my_wp_query'] = $query_string;
whatever you prefer.
In your index.php
global $query_string;
setcookie('my_wp_query', $query_string);
or
global $query_string;
$_SESSION['my_wp_query'] = $query_string;
whatever you prefer.