// This script and many more are available free online at 
// The JavaScript Source!! http://javascript.internet.com 
// Original:  jsCode.com
// Web Site:  http://jscode.com
// ==============================================
// Copyright 2003 by jsCode.com
// Source: jsCode.com
// Author: etLux
// Free for all; but please leave in the header.
// ==============================================

// Set up the image files to be used.
var theImages = new Array() // do not change this
// To add more image files, continue with the
// pattern below, adding to the array. Rememeber
// to increment the theImages[x] index!

		theImages[0] = 'images/btc_globe.jpg' 
		theImages[1] = 'images/pink_green_blue_BTC_mural.jpg' 
		theImages[2] = 'images/orange_person_mural.jpg' 
		theImages[3] = 'images/Change_green_yellow.jpg' 

// ======================================
// do not change anything below this line
// ======================================

var j = 0
var p = theImages.length;

var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}

var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img class="mainimg" src="'+theImages[whichImage]+'">');
}