remove cookies

Delete all browser cookies.

Browser cookies are stored in JavaScript here:
javascript:document.cookie

function to delete cookie (change expiry date)
function delCookie(name)
{
  document.cookie = name+'=; expires=Thu, 2 Aug 2001 20:47:11 UTC; path='
}

function to get the keys for each cookie name
function getCookieKeys()
{
     Separate key  value pairs
    var cookies = document.cookie.split(";"),
        index, keys = [];
    for(i = 0; i < cookies.length; i++) {
        cookieEntry = cookies[i].split("=");
         first part of the split string holds the key ...
        keys.push(cookieEntry[0]);
    }
    return keys;
}
var cookieKeys = getCookieKeys();

delete all cookies
for(i = 0; i < cookieKeys.length; i++)
{
    delCookie(cookieKeys[i]);
}

check they are gone!
javascript:document.cookie