function getCookie(name) {
var offset, cookieValue;
var search = name + "=";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search);
if (offset != -1) {
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1)
end = document.cookie.length;
cookieValue = unescape(document.cookie.substring(offset, end));
}
}
return cookieValue;
}