browserName = navigator.appName;
browserVersion = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVersion >= 3) version = "nav3";
else if (browserName == "Microsoft Internet Explorer" && browserVersion >= 4) version = "nav3";
else version= "nav2";

if (version == "nav3") {
imageList1 = new Array();
var i = 0;
imageList1[i++] = "<IMG SRC='http://www.sevenseascharters.com/luxury-yachts/mega-yacht-charters.jpg' + ALT='mega yacht charters' WIDTH='760' HEIGHT='140' BORDER='0'>";
imageList1[i++] = "<IMG SRC='http://www.sevenseascharters.com/luxury-yachts/luxury-yacht-charters.jpg' + ALT='luxury yacht charters' WIDTH='760' HEIGHT='140' BORDER='0'>";
imageList1[i++] = "<IMG SRC='http://www.sevenseascharters.com/luxury-yachts/luxury-yacht-charter.jpg' + ALT='luxury yacht charter' WIDTH='760' HEIGHT='140' BORDER='0'>";
imageList1[i++] = "<IMG SRC='http://www.sevenseascharters.com/luxury-yachts/motor-yacht-charter.jpg' + ALT='motor yacht charter' WIDTH='760' HEIGHT='140' BORDER='0'>";
var rand1 = Math.round(Math.random() * (imageList1.length - 1));
}