function hide(divID)
    {
    document.getElementById(''+divID+'').style.display = 'none';
    }
function displayCatDiv(divID)
    {
    document.getElementById(''+divID+'').style.display = 'block';
    }
function openWin( windowURL, windowName, windowFeatures )
        {
        window.open( windowURL, windowName, windowFeatures ) ;
        }