function init()
    {
        var cookie = getCookie('collapse_obj');
        if(cookie)
        {
            var values = cookie.split(',');

            for(var i = 0; i < values.length; i++)
            {
                var itm = getItem(values[i]);

                if(itm)
                    itm.style.display = 'none';
            }
        }
    }

    function makeCookie(name, value)
    {
        var cookie = name + '=' + escape(value) + ';';
        document.cookie = cookie;
    }

    function getCookie(name)
    {
        if(document.cookie == '')
            return false;

        var firstPos;
        var lastPos;
        var cookie = document.cookie;

        firstPos = cookie.indexOf(name);

        if(firstPos != -1)
        {
            firstPos += name.length + 1;
            lastPos = cookie.indexOf(';', firstPos);

            if(lastPos == -1)
                lastPos = cookie.length;

            return unescape(cookie.substring(firstPos, lastPos));
        }

        else
            return false;
    }

    function getItem(id)
    {
        var itm = false;
        if(document.getElementById)
            itm = document.getElementById(id);
        else if(document.all)
            itm = document.all[id];
        else if(document.layers)
            itm = document.layers[id];

        return itm;
    }

    function toggleItem(id)
    {
        itm = getItem(id);

        if(!itm)
            return false;

        if(itm.style.display == 'none')
            itm.style.display = '';
        else
            itm.style.display = 'none';

        ////////////////////

        cookie = getCookie('collapse_obj');
        values = new Array();
        newval = new Array();
        add    = 1;

        if(cookie)
        {
            values = cookie.split(',');

            for(var i = 0; i < values.length; i++)
            {
                if(values[i] == id)
                    add = 0;
                else
                    newval[newval.length] = values[i];
            }
        }

        if(add)
            newval[newval.length] = id;

        makeCookie('collapse_obj', newval.join(','));

        return false;
    }