[AndrewGSW]

Originally Posted by rnd me

i had some that wouldn't go away. turns out the path has to be "/" sometimes.
it's best to sweep through all keys with and without the path, nulling them all out.

Yes, I recall now that I had to include "/" previously.

function deleteCookie ( name, path, domain ) {
    document.cookie = name + "=" + ( ( path ) ? ";path=" + path : "") +
        ( ( domain ) ? ";domain=" + domain : "" ) +
        ";expires=Fri, 01-Jan-2010 00:00:01 UTC";
}