function writeCookie(name, value, expires)
{
?var expire = "";
?if(expires != null)
?{
??expire = new Date((new Date()).getTime() + expires * 3600000);
??expire = "; expires=" + expire.toGMTString();
?}
?document.cookie = name + "=" + escape(value) + expire;
}

function readCookie(name)
{
?var 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;
}