browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

if (browser_name == "Netscape" && browser_version >= 3.0) {
    browser_ok = 'true'; 
}
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) {
    browser_ok = 'true'; 
}
else {
    browser_ok = 'false'; 
}

function clickover(ref) {
    if (browser_ok == 'true') {
        document.images["name"].src = ref;
    }
}

function clickout() {
    if (browser_ok == 'true') {
        document.images["name"].src = "im/n4b.jpg";
    }
}

if (browser_ok == 'true'){
    a1 = new Image;
    a1.src = "im/n1b.jpg";
    a2 = new Image;
    a2.src = "im/n2b.jpg";
    a3 = new Image;
    a3.src = "im/n3b.jpg";
    a3 = new Image;
    //a4.src = "im/n4b.jpg";
    a5 = new Image;
    a5.src = "im/n5b.jpg"; 
    a6 = new Image;
}

function doNewRequest(url) {
    window.open(url, 'Gateway_Marina', "top=0px,left=0px,height=800px,width=1000px,menubar=yes,titlebar=yes,status=yes,toolbar=yes,location=yes,scrollbars=yes");
    return false;
}