//readable
var cookies = document.cookie.split(';').inject([],function(array,cookie) {
   splitedCookie = cookie.strip().split('=');
   array[splitedCookie[0]] = splitedCookie[1];
   return array;
});
//short
var cookies = document.cookie.split(';').inject([],function(a,c) { ac = c.strip().split('='); a[ac[0]] = ac[1]; return a; });