function readCookie(cname) { var name = cname + "="; var decoded_cookie = decodeURIComponent(document.cookie); var carr = decoded_cookie.split(';'); for(var i=0; i<carr.length;i++){ var c = carr[i]; while(c.charAt(0)==' '){ c=c.substring(1); } if(c.indexOf(name) == 0) { return c.substring(name.length, c.length); } } return ""; }