var topheader = new Image();
var topheader1 = new Image();
var topheader2 = new Image();
var topheader3 = new Image();
var topheader4 = new Image();
var topheader5 = new Image();
var topheader6 = new Image();
var topheader7 = new Image();
var topheader8 = new Image();

topheader.src = "images/topheader.gif";
topheader1.src = "images/topheader1.gif";
topheader2.src = "images/topheader2.gif";
topheader3.src = "images/topheader3.gif";
topheader4.src = "images/topheader4.gif";
topheader5.src = "images/topheader5.gif";
topheader6.src = "images/topheader6.gif";
topheader7.src = "images/topheader7.gif";
topheader8.src = "images/topheader8.gif";