function showHideSubLoc(id, callingDiv)
{
    if (id)
    {
        var sublocList;
        
        if (document.getElementById)
            sublocList = document.getElementById(id);
        else if (document.all)
            sublocList = document.all[id];
        else if (document.layers)
            sublocList = document.layers[id];
            
        if (sublocList.style.display == 'none')
        {
            sublocList.style.display = 'block';
            //sublocList.style.visibility = 'visible';
            
            if (callingDiv)
                callingDiv.innerHTML = '-';
        }
        else
        {
            sublocList.style.display = 'none';
            //sublocList.style.visibility = 'hidden';
            
            if (callingDiv)
                callingDiv.innerHTML = '+';
        }
    }
}