function banner() {
};
banner = new banner();
number = 0;
banner[number++] = "<img src = images/main.jpg border = 0   usemap=#Map>"
banner[number++] = "<img src = images/main1.jpg border = 0  usemap=#Map>"
//banner[number++] = "<img src = images/home8.jpg border = 0 >"
//banner[number++] = "<img src = images/home9.jpg border = 0 >"
//banner[number++] = "<img src = images/home10.jpg border = 0 >"
//banner[number++] = "<img src = images/top5.jpg border = 0 alt='Holiday Accommodation & Tours in Australia'>"
increment = Math.floor(Math.random() * number);
document.write(banner[increment]);