Javascript reading a cookie function

2014-03-20T01:06:00.004-07:00

function getSpecificCookie(which)
 {
 var i, x, y, ARRcookies = document.cookie.split(';');
 for (i = 0; i < ARRcookies.length; i++)
  {
  x = ARRcookies[i].substr(0, ARRcookies[i].indexOf('='));
  y = ARRcookies[i].substr(ARRcookies[i].indexOf('=') + 1);
  x = x.replace(/^\s+|\s+$/g, '');
  if (x == which)
   {
   return y;
   }
  }
 return null;
 }