/*
This script came from the 24 hour JavaScripts Site
located at http://www.javascripts.com.  It is brought to
you by Eric Jarvies, Lewis Sellers, Giuseppe Lombardo,
Kurt Anderson, and David Medinets.
Modified by Larry Ullom on 4-24-2001 for JLES Web Site
*/

var expDays = 30;
var exp = new Date();

exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

function ViewedAnnouncement()
{
    var LastAnnounceViewed = GetCookie('JLES_AnnoucementViewed')

    if (LastAnnounceViewed == null)
    SetCookie ('JLES_AnnoucementViewed', currentAnnounce, exp);
    return LastAnnounceViewed;
}

function getCookieVal (offset)
{
    var endstr = document.cookie.indexOf (";", offset);

    if (endstr == -1)
        endstr = document.cookie.length;
    return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name)
{
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;

    while (i < clen)
    {
        var j = i + alen;

        if (document.cookie.substring(i, j) == arg)
            return getCookieVal (j);
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0)
            break;
    }
    return null;
}

function SetCookie (name, value)
{
    var argv = SetCookie.arguments;
    var argc = SetCookie.arguments.length;
    var expires = (argc > 2) ? argv[2] : null;
    var path = (argc > 3) ? argv[3] : null;
    var domain = (argc > 4) ? argv[4] : null;
    var secure = (argc > 5) ? argv[5] : false;

    document.cookie = name + "=" + escape (value) +
                      ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
                      ((path == null) ? "" : ("; path=" + path)) +
                      ((domain == null) ? "" : ("; domain=" + domain)) +
                      ((secure == true) ? "; secure" : "");
}

function OpenHelp()
{
    window.open('site_help.htm','Site_Info','toolbar=no,status=no,scrollbars=yes,location=no,menubar=no,directories=no,width=500,height=300')
}

function OpenAnnouncement(page)
{
    window.open(page+'.html','Announcement','toolbar=no,status=yes,scrollbars=yes,location=no,menubar=no,directories=no,width=640,height=480')
}

function PopupAnnounce()
{
    if (ViewedAnnouncement() != currentAnnounce)
    {
        OpenAnnouncement('announce');
        SetCookie ('JLES_AnnoucementViewed', currentAnnounce, exp);
    }
}