function image() {
};

image = new image();
number = 0;

// imageArray
image[number++] = "<img src='http://www.appletreeanswers.com/images/Services/Comments/watch24.jpg' border='0'>"
image[number++] = "<img src='http://www.appletreeanswers.com/images/Services/Comments/bilodeau.jpg' border='0'>"
image[number++] = "<img src='http://www.appletreeanswers.com/images/Services/Comments/metrounitedcommunications.jpg' border='0'>"
image[number++] = "<img src='http://www.appletreeanswers.com/images/Services/Comments/wrhrealty.jpg' border='0'>"
image[number++] = "<img src='http://www.appletreeanswers.com/images/Services/Comments/americanredcross.jpg' border='0'>"
image[number++] = "<img src='http://www.appletreeanswers.com/images/Services/Comments/reyntech.jpg' border='0'>"
image[number++] = "<img src='http://www.appletreeanswers.com/images/Services/Comments/montgomerycounty.gif' border='0'>"
image[number++] = "<img src='http://www.appletreeanswers.com/images/Services/Comments/robertblasier.jpg' border='0'>"
// keep adding items here...

increment = Math.floor(Math.random() * number);

document.write(image[increment]);

//-->