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

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

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

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

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

image6 = new Image();
image6.src = "images/contactButton_a.gif";

image7 = new Image();
image7.src = "images/pressButton_a.gif";