// JavaScript Document

function setCookie(name, value, expires) {
    document.cookie = name + "=" + escape(value) + "; path=/" + ((expires == null) ? "" : "; expires=" + expires.toGMTString());
}
function getCookie(name) {
  if (document.cookie.length > 0) {
    var start = document.cookie.indexOf(name + "=");
    if (start != -1) { 
      start = start + name.length + 1; 
      var end = document.cookie.indexOf(";", start);
      if (end == -1) {
        end = document.cookie.length;
      }
      return unescape(document.cookie.substring(start, end));
    } 
  }
 return "";
}
function twitterCachedCallback(c) {
   // this will create the HTML. Function found inside blogger.js
   twitterCallback2(c);
   var content = document.getElementById("twitter_update_list").innerHTML;
   // expire cookie after 30 minutes
   var exp = new Date();
   exp.setTime(exp.getTime() + (1000 * 60 * 30));
   setCookie('twitter_content', content, exp);
}
// set content immediately if cached
var cachedContent = getCookie('twitter_content');
if (cachedContent) {
   document.getElementById("twitter_update_list").innerHTML = cachedContent;
}