image1 = new Image();
image1.src = "images/feature1a.gif";

image2 = new Image();
image2.src = "images/feature2a.gif";

image3 = new Image();
image3.src = "images/feature3a.gif";

image4 = new Image();
image4.src = "images/feature4a.gif";

image5 = new Image();
image5.src = "images/feature5a.gif";