Cookie handling methods. Copied from code written by PPK : http://www.quirksmode.org

cookie functions .js

phh = phh || {};

phh.cookie = {
  // v1.1
  // cookie functions copied from code written by Peter Paul Koch : http://www.quirksmode.org
  set : function (name, value, days) {
    var date, expires;
    if (days) {
      date = new Date();
      date.setTime(date.getTime() + (days * 86400000)); // 86400000 == 24 hours * 60 minutes * 60 seconds * 1000 milliseconds
      expires = "; expires=" + date.toGMTString();
    } else {
      expires = "";
    }
    document.cookie = name + "=" + value + expires + "; path=/";
  },
  get : function (name) {
    var nameEq, cookie_array, i, i_cookie;
    nameEq = name + "=";
    cookie_array = document.cookie.split(';');
    for (i = 0; i < cookie_array.length; i++) {
      i_cookie = cookie_array[i];
      while (i_cookie.charAt(0) === ' ') {
        i_cookie = i_cookie.substring(1, i_cookie.length);
      }
      if (i_cookie.indexOf(nameEq) === 0) {
        return i_cookie.substring(nameEq.length, i_cookie.length);
      }
    }
    return null;
  },
  del : function (name) {
    phh.cookie.set(name, "", -1);
  }
};