if (document.layers) {visible = 'show'; hidden = 'hide';n=1;ie=0;} 
else if (document.all) { visible = 'visible'; hidden = 'hidden';n=0;ie=1;}

function showDivs (divName,divNumber) {var divsUsed = 7;
        if (navigator.appName.indexOf ("Microsoft") == 0 || navigator.appName.indexOf ("Netscape") == 0) 
        {if (parseInt (navigator.appVersion) >= 4) {var cnt = 0; for (cnt = 1; cnt <= divsUsed; cnt++) 
        {var divCheck = divName + cnt; var divShow = divName + divNumber;
        if (ie) {if (divCheck == divShow)  document.all(divShow).style.visibility = visible;
        else document.all(divCheck).style.visibility = hidden;}
        if (n) {if (divCheck == divShow) document.layers[divShow].visibility = visible;
        else document.layers[divCheck].visibility = hidden;}}}}}

var ver = parseFloat (navigator.appVersion);
if ((navigator.appName.indexOf ("Netscape") == 0) && (ver >= 4)) {
} else if ((navigator.appName.indexOf ("Mozilla") == 0) && (ver >= 5)) {
} else if ((navigator.appName.indexOf ("Microsoft") == 0) && (ver >= 4)) {
} else {location="oldbrowser.htm";}