function hidediv(id) {
        try {
            if (document.getElementById) {
                document.getElementById(id).style.visibility = 'hidden';
                document.getElementById(id).style.display = 'none';
            }
            else {
                if (document.layers) {
                    document.id.visibility = 'hidden';
                    document.id.display = 'none';
                }
                else {
                    document.all.id.style.visibility = 'hidden';
                    document.all.id.style.display = 'none';
                }
            }
        }
        catch (e) { }
    }

    function showdiv(id) {
        try {
            if (document.getElementById) {
                document.getElementById(id).style.visibility = 'visible';
                document.getElementById(id).style.display = 'block';
            }
            else {
                if (document.layers) {
                    document.id.visibility = 'visible';
                    document.id.display = 'block';
                }
                else {
                    document.all.id.style.visibility = 'visible';
                    document.all.id.style.display = 'block';
                }
            }
        }
        catch (e) { }
    }