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Cookie handling functions

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Cleaned up (with the help of jslint.com) versions of cookie handling functions

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  1. function createCookie(name, value, days) {
  2.     var expires = "";
  3.     var date = new Date();
  4.     if (days) {
  5.         date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
  6.         expires = "; expires=" + date.toGMTString();
  7.     }
  8.     document.cookie = name + "=" + value + expires + "; path=/";
  9. }
  10. function readCookie(name) {
  11.     var nameEQ = name + "=";
  12.     var allCookies = document.cookie.split(";");
  13.     allCookies.forEach(function (cookie) {
  14.         while (cookie.charAt(0) === " ") {
  15.             cookie = cookie.substring(1, cookie.length);
  16.         }
  17.         if (cookie.indexOf(nameEQ) === 0) {
  18.             return cookie.substring(nameEQ.length, cookie.length);
  19.         }
  20.     });
  21. }
  22. function eraseCookie(name) {
  23.     createCookie(name, "", -1);
  24. }

URL: http://www.quirksmode.org/js/cookies.html

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