function image() {
};

image = new image();
number = 0;

// imageArray

image[number++] = "<a href='http://uradi.com/index.php/uradi-sam-svoj-majstor/struja-iz-vetra.html'><img src='http://uradi.com/uradi_sam/data/upimages/marsgenerator.jpg' border='0' height='205' width='300' title='Kucna eolska centrala'></a>"
image[number++] = "<a href='http://uradi.com/index.php/uradi-sam-svoj-majstor/trendovi-ostrvo-u-kuhinji.html'><img src='http://uradi.com/uradi_sam/data/upimages/subzeron.jpg' border='0' height='175' width='300' title='Ostrvo u kuhinji'></a>"
increment = Math.floor(Math.random() * number);

document.write(image[increment]);