viewArray = new Array();

viewArray[0] = new Image;
viewArray[1] = new Image;
viewArray[2] = new Image;
viewArray[3] = new Image;
viewArray[4] = new Image;

viewArray[0].src = "/b.gif";
viewArray[1].src = "/b.gif";
viewArray[2].src = "/b.gif";
viewArray[3].src = "/b.gif";
viewArray[4].src = "/b.gif";

function changeView(x) {
    document.images["prodView"].src = viewArray[x].src;
}