function setCookie(name, value, expiredays)
{
        var todayDate = new Date();
        todayDate.setDate( todayDate.getDate() + expiredays );
        document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"
}

function getCookie(sName)
{
        var x = 0;
        var sNameOfCookie = sName + "=";
        while ( x <= document.cookie.length)
        {
                var y = (x + sNameOfCookie.length);
                if ( document.cookie.substring( x, y ) == sNameOfCookie )
                {
                        if ( (endOfCookie=document.cookie.indexOf( ";", y )) == -1 )
                                endOfCookie = document.cookie.length;
                        return unescape( document.cookie.substring( y, endOfCookie ) );
                }
                x = document.cookie.indexOf( " ", x ) + 1;
                if ( x == 0 )
                        break;
        }
        return "";
}