var images = new Array()
images[0] = 'images/quotes/0.gif'
images[1] = 'images/quotes/1.gif'
images[2] = 'images/quotes/2.gif'
images[3] = 'images/quotes/3.gif'
images[4] = 'images/quotes/4.gif'
images[5] = 'images/quotes/5.gif'
images[6] = 'images/quotes/6.gif'
images[7] = 'images/quotes/7.gif'
images[8] = 'images/quotes/8.gif'
images[9] = 'images/quotes/9.gif'
images[10] = 'images/quotes/10.gif'
images[11] = 'images/quotes/11.gif'
images[12] = 'images/quotes/12.gif'
images[13] = 'images/quotes/13.gif'
images[14] = 'images/quotes/14.gif'
images[15] = 'images/quotes/15.gif'
images[16] = 'images/quotes/16.gif'
images[17] = 'images/quotes/17.gif'
images[18] = 'images/quotes/18.gif'
images[19] = 'images/quotes/19.gif'

var j = 0
var p = images.length;

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

var pickImage = Math.round(Math.random()*(p-1));
function randomImage(){
document.write('<img src="'+images[pickImage]+'">');
}