// mylibrary.js
//
// SetCookie, GetCookie, DeleteCookie - taken from The Web Wizards Guide to Javascript, Steven G. Estrella

function SetCookie(name,value,expires,path,domain,secure)
{
    var temp = name + "=" + escape(value);
    if (expires)
    {
        temp += "; expires=" + expires.toGMTString();
    }
    if (path)
    {
        temp += "; path=" + path;
    }
    if (domain)
    {
        temp += "; domain=" + domain;
    }
    if (secure)
    {
        temp += "; secure";
    }
    document.cookie = temp;
}

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 getCookieVal(offset)
{
    var endstr = document.cookie.indexOf(";", offset);
    if (endstr == -1)
    {
        endstr = document.cookie.length;
    }
    return unescape(document.cookie.substring(offset,endstr));
}

function DeleteCookie(name,path,domain)
{
    if (GetCookie(name))
    {
        var temp = name + "=";
        temp += ((path) ? "; path=" + path : "");
        temp += ((domain) ? "; domain=" + domain : "");
        temp += "; expires=Thu, 01-Jan-70 00:00:01 GMT";
        document.cookie = temp;
    }
}