<!--
        browser=1;
        if ((navigator.userAgent.indexOf("IE") != -1) && (navigator.userAgent.indexOf("3") != -1)) browser = 0;
        if ((navigator.userAgent.indexOf("Mozilla") != -1) && (navigator.userAgent.indexOf("2") != -1)) browser = 0;

        NN = (document.layers) ? 1 : 0;
        IE = (document.all) ? 1 : 0;
        ver4 = (NN || IE) ? 1 : 0;

        var lastlayer='print';
        var timeCount=0;
        var tm=500;

        function popUp(mName,on) {
                if (on) {
                        if (NN) { document.layers[mName].visibility = "show"; }
                        if (IE) { document.all[mName].style.visibility = "visible";}

                        }

                else    {
                        if (NN) { document.layers[mName].visibility = "hide"; }
                        if (IE) { document.all[mName].style.visibility = "hidden"; }
                        }
}

        function changeLayer(mName,on) {
                if(ver4){
                        clearTimeout(timeCount);
                        popUp(lastlayer, false);
                        popUp(mName, true);
                        lastlayer=mName;
                        }
}

        function hidePrevLayer() {
                if(ver4){
                        clearTimeout(timeCount);
                        popUp(lastlayer, false);
                        }
}
//-->