var getCookie = (function(){
   var cookie = document.cookie, objCookie;
   return function (){
       if ( objCookie && cookie == document.cookie ) {
           return objCookie;
       }
       cookie = document.cookie;
       objCookie = {};
       var arrCookie = cookie.split(/;\s*/);
       for ( var i = arrCookie.length; i--; ) {
           var arr = arrCookie[i].split("=");
           var name = arr.shift();
           var value = arr.join("=");
           objCookie [ decodeURIComponent(name) ] = decodeURIComponent(value);
       }
       return objCookie;
   };
})()