function setCookie (name, value, path, domain, secure, expires)

{

    document.cookie= name + "=" + escape(value) +

        ((expires) ? "; expires=" + expires.toGMTString() : "") +

        ((path) ? "; path=" + path : "") +

        ((domain) ? "; domain=" + domain : "") +

        ((secure) ? "; secure" : "");

}



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 null;

    }

    else

    {

        begin += 2;

    }

    var end = document.cookie.indexOf(";", begin);

    if (end == -1)

    {

        end = dc.length;

    }

    return unescape(dc.substring(begin + prefix.length, end));

}



function deleteCookie (name, path, domain)

{

    if (getCookie(name))

    {

        document.cookie = name + "=" + 

            ((path) ? "; path=" + path : "") +

            ((domain) ? "; domain=" + domain : "") +

            "; expires=Thu, 01-Jan-70 00:00:01 GMT";

    }

}





function addLoadEvent (func)

{    

    var oldonload = window.onload;

    if (typeof window.onload != 'function')

    {

        window.onload = func;

    } 

    else 

    {

        window.onload = function()

        {

            oldonload();

            func();

        }

    }

}