function expandPanelItem(panel_id, node_id)
{
    if (!document.getElementById) 
    {
        return void(0);
    }
    var intro = document.getElementById('panel_item_intro_' + panel_id + '_' +
                                        node_id);
    var link = document.getElementById('panel_item_more_' + panel_id + '_' +
                                        node_id);
    if (intro) 
    {
        intro.style.display = 'block';
    }
    if (link) 
    {
        link.style.display = 'none';
    }
}

function expandPanel(panel_id) 
{
    if (!document.getElementById) 
    {
        return void(0);
    }
    var panel = document.getElementById('panel_items_' + panel_id);
    if (panel)
    {
        var count=0;
        var c = document.getElementById('panel_item_more_' + panel_id + '_' + count);

        while (c)
        {
            expandPanelItem(panel_id, count);

            count++;
            c = document.getElementById('panel_item_more_' + panel_id + '_' + count);
            
        }

        var read_more = document.getElementById("panel_items_read_more_" + panel_id);
        if (read_more) 
        {
            read_more.style.display = 'none';
        }
    }
    return void(0);
}