// JavaScript Document
var sbImage = new Array()

sbImage[0] = 'images/sidebar/230SBemiston1.jpg'
sbImage[1] = 'images/sidebar/sumner.jpg'
sbImage[2] = 'images/sidebar/230SBemiston2.jpg'
sbImage[3] = 'images/sidebar/230SBemiston3.jpg'
sbImage[4] = 'images/sidebar/230Skyview.jpg'
sbImage[5] = 'images/sidebar/Comm1.jpg'
sbImage[6] = 'images/sidebar/Comm2.jpg'

var j = 0
var p = sbImage.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = sbImage[i]
}
var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+sbImage[whichImage]+'" width="260" alt="sidebar image">');
}