var image0 = new Image();
var image1 = new Image();
var image2 = new Image();
var image3 = new Image();
var image4 = new Image();
var image5 = new Image();

image0.src = "images/las_vegas.jpg";
image1.src = "images/new_york.jpg";
image2.src = "images/orlando.jpg";
image3.src = "images/san_francisco.jpg";
image4.src = "images/beach.jpg";
image5.src = "images/wash_dc.jpg";