function makevisible(which, obj) {
    if (which == 0)
        switch (obj) {
        case 1:
            document.getElementById('appearance').filters.alpha.opacity = 100
            document.getElementById('shop').filters.alpha.opacity = 20
            document.getElementById('fasteners').filters.alpha.opacity = 20
            break;
        case 2:
            document.getElementById('appearance').filters.alpha.opacity = 20
            document.getElementById('shop').filters.alpha.opacity = 100
            document.getElementById('fasteners').filters.alpha.opacity = 20
            break;
        case 3:
            document.getElementById('appearance').filters.alpha.opacity = 20
            document.getElementById('shop').filters.alpha.opacity = 20
            document.getElementById('fasteners').filters.alpha.opacity = 100
            break;
        default:
            document.getElementById('appearance').filters.alpha.opacity = 100
            document.getElementById('shop').filters.alpha.opacity = 100
            document.getElementById('fasteners').filters.alpha.opacity = 100
    }
    else {
        document.getElementById('appearance').filters.alpha.opacity = 100
        document.getElementById('shop').filters.alpha.opacity = 100
        document.getElementById('fasteners').filters.alpha.opacity = 100
    }
};

function disable(parentid, drpbilling, txtregion, lblregion, lblstate, statereq, regionreq) {
        var selectedText = document.getElementById(parentid).options[document.getElementById(parentid).selectedIndex].value

        if (selectedText == 'US') {
            document.getElementById(lblstate).style.display = '';
            document.getElementById(drpbilling).style.display = '';
            ValidatorEnable(document.getElementById(statereq),true);
            ValidatorEnable(document.getElementById(regionreq),false);
            document.getElementById(txtregion).style.display = 'none';
            document.getElementById(lblregion).style.display = 'none';
        }
        else {
            document.getElementById(lblstate).style.display = 'none';
            document.getElementById(drpbilling).style.display = 'none';
            ValidatorEnable(document.getElementById(statereq), false);
            ValidatorEnable(document.getElementById(regionreq), true);
            document.getElementById(txtregion).style.display = '';
            document.getElementById(lblregion).style.display = '';
        }
    }