function image() {
};

image = new image();
number = 0;

// imageArray
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_3.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_4.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_5.gif' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_7.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_8.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_contact.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_coproducts.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_kp2.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_kp3.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_lumber.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_lumber_detail.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_news.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_sustain.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_total.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_total_all.gif'' border='0'>"
image[number++] = "<img src='http://www.tolko.com/navigation/sidebar_who.gif'' border='0'>"

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

document.write(image[increment]);