showing = false;

function ShowInfo(object) {
                if (document.all || document.getElementById) document.getElementById(object).style.visibility="visible";   // IE & Gecko
                else document.layers[object].visibility="show"; // Netscape 4
                showing = true;
        }

function HideInfo(object) {
                            if (document.all || document.getElementById) document.getElementById(object).style.visibility="hidden";    // IE & Gecko
                else document.layers[object].visibility="hide";    // Netscape 4
                showing = false;
    }