function image() {
};

image = new image();
number = 0;
// imageArray
image[number++] = "<img src='DoveTop1.jpg'>" 
image[number++] = "<img src='DoveTop2.jpg'>" 
image[number++] = "<img src='DoveTop3.jpg'>"
image[number++] = "<img src='DoveTop4.jpg'>"
increment = Math.floor(Math.random() * number);