<!--
function image() {
};
image = new image();

number = 0;

image[number++] = "<img src='pics/top_logo1.jpg' border='0' alt='top_logo1.jpg' >"
image[number++] = "<img src='pics/top_logo2.jpg' border='0' alt='top_logo2.jpg' >"
image[number++] = "<img src='pics/top_logo3.jpg' border='0' alt='top_logo3.jpg' >"
image[number++] = "<img src='pics/top_logo4.jpg' border='0' alt='top_logo4.jpg' >"

increment = Math.floor(Math.random() * number);
document.write(image[increment]);
//-->