var contact_active = 0;

function activate(num)
{    
    var open_id;
    var close_id;
    
    
    if (contact_active == num)
    {
        open_id = 0;
        close_id = num;
        contact_active = 0;
    }
    else
    {
        open_id = num;
        close_id = contact_active;
        contact_active = num;
    }
    
    
    open_el = document.getElementById('contact-' + parseInt(open_id));
    if (open_el)
    {
        open_el.style.display = 'block';
    }
    open_el = document.getElementById('contact-' + parseInt(open_id) + '-a');
    if (open_el)
    {
        open_el.className = 'active';
    }
    
    close_el = document.getElementById('contact-' + parseInt(close_id));
    if (close_el)
    {
        close_el.style.display = 'none';
    }
    close_el = document.getElementById('contact-' + parseInt(close_id) + '-a');
    if (close_el)
    {
        close_el.className = '';
    }
    
    return false;
    
}

function deactivate(close_id)
{
    close_el = document.getElementById('contact-' + parseInt(close_id));
    if (close_el)
    {
        close_el.style.display = 'none';
    }
}