setrawcookie
    (PHP 5)
setrawcookie -- Send a cookie without urlencoding the cookie value
Description
bool 
setrawcookie ( string name [, string value [, int expire [, string path [, string domain [, bool secure]]]]])
     setrawcookie() is exactly the same as
     setcookie() except that the cookie value will not
     be automatically urlencoded when sent to the browser.
    
     See also header(), setcookie() and the 
     cookies section.