// JavaScript Document

var image1 = new Image();
image1.src = "but1.jpg";
var image2 = new Image();
image2.src = "hover1.jpg";
var image3 = new Image();
image3.src = "click1.jpg";
var image4 = new Image();
image4.src = "but2.jpg";
var image5 = new Image();
image5.src = "hover2.jpg";
var image6 = new Image();
image6.src = "click2.jpg";
var image7 = new Image();
image7.src = "but3.jpg";
var image8 = new Image();
image8.src = "hover3.jpg";
var image9 = new Image();
image9.src = "click3.jpg";
var image10 = new Image();
image10.src = "but4.jpg";
var image11 = new Image();
image11.src = "hover4.jpg";
var image12 = new Image();
image12.src = "click4.jpg";
var image13 = new Image();
image13.src = "but5.jpg";
var image14 = new Image();
image14.src = "hover5.jpg";
var image15 = new Image();
image15.src = "click5.jpg";
var image16 = new Image();
image16.src = "but6.jpg";
var image17 = new Image();
image17.src = "hover6.jpg";
var image18 = new Image();
image18.src = "click6.jpg";
var image19 = new Image();
image19.src = "but7.jpg";
var image20 = new Image();
image20.src = "hover7.jpg";
var image21 = new Image();
image21.src = "click7.jpg";
var image22 = new Image();
image22.src = "but8.jpg";
var image23 = new Image();
image23.src = "hover8.jpg";
var image24 = new Image();
image24.src = "click8.jpg";
function changeImage(imgName, imgSrc)  {
document[imgName].src = imgSrc;
  }