function toggle() {
                for (var i=0; i<toggle.arguments.length; i++) {
                        var element = document.getElementById(toggle.arguments[i]);
                        element.style.display = (element.style.display == "" ? "none" : "");
                }
        }

        function toggleOn() {
                for (var i=0; i<toggleOn.arguments.length; i++) {
                        var element = document.getElementById(toggleOn.arguments[i]);
                        element.style.display = "";
                }
        }

        function toggleOff() {
                for (var i=0; i<toggleOff.arguments.length; i++) {
                        var element = document.getElementById(toggleOff.arguments[i]);
                        element.style.display = "none";
                }
        }