function SetCookie(cookieName,cookieValue,nDays) 
{
 var today = new Date();
 var expire = new Date();
// if (nDays==null || nDays==0) nDays=1;
 expire.setTime(today.getTime() + 3600000*24*nDays);
// cook = document.cookie;
 
 document.cookie = cookieName+"="+escape(cookieValue)
//                 + ";expires="+expire.toGMTString()
                 + ";path=/";
}

function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return "";
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}