//--------------------------------------------------------//
function showHide(trigger)
{
    var root = trigger.parentNode.parentNode;
    var expandableSection = root.getElementsByTagName('span');
    
    
    if (root.getAttribute("expanded") == "no")
    {
        //expandableSection[0].className = '';
        expandableSection[0].style.display = 'block';
        root.setAttribute("expanded", "yes");
    }
    else
    {
        //expandableSection[0].className = "hidden";
        expandableSection[0].style.display = 'none';
        root.setAttribute("expanded", "no");
    }
}
//--------------------------------------------------------//
function doNothing()
{
    return;
}
//--------------------------------------------------------//