// Drummy's Random Image Script
// (C) 2006 Paul Voth, Drummy.org
// Please leave this copyright notice
// In the script if you're gonna use it :)

function get_random(){

// Make sure that random()*X) has the correct
// number. The number of images defined below.
var ranNum=Math.floor(Math.random()*13);
return ranNum;
}
var whichImg=get_random();

function show_image(){

// Add your images here.
// Make sure that Array(X) has the number
// of images that you want to include
var img=new Array(13)
img[0]="http://www.theharbourschool.edu.hk/Images/topbar/t001.jpg";
img[1]="http://www.theharbourschool.edu.hk/Images/topbar/t002.jpg";
img[2]="http://www.theharbourschool.edu.hk/Images/topbar/t003.jpg";
img[3]="http://www.theharbourschool.edu.hk/Images/topbar/t004.jpg";
img[4]="http://www.theharbourschool.edu.hk/Images/topbar/t005.jpg";
img[5]="http://www.theharbourschool.edu.hk/Images/topbar/t006.jpg";
img[6]="http://www.theharbourschool.edu.hk/Images/topbar/t007.jpg";
img[7]="http://www.theharbourschool.edu.hk/Images/topbar/t008.jpg";
img[8]="http://www.theharbourschool.edu.hk/Images/topbar/t009.jpg";
img[9]="http://www.theharbourschool.edu.hk/Images/topbar/t010.jpg";
img[10]="http://www.theharbourschool.edu.hk/Images/topbar/t011.jpg";
img[11]="http://www.theharbourschool.edu.hk/Images/topbar/t012.jpg";
img[12]="http://www.theharbourschool.edu.hk/Images/topbar/t013.jpg";
 // Here the actual displaying of the image is taking place.
document.write("<img src='");
document.write(img[whichImg]);
document.write("' border='0'/>");
}