var theImages = new Array()

theImages[0] = '../images/banner-1.jpg' 
theImages[1] = '../images/banner-2.jpg' 
theImages[2] = '../images/banner-3.jpg' 
theImages[3] = '../images/banner-4.jpg' 
theImages[4] = '../images/banner-5.jpg' 
theImages[5] = '../images/banner-6.jpg' 
theImages[6] = '../images/banner-7.jpg' 
theImages[7] = '../images/banner-8.jpg' 
theImages[8] = '../images/banner-9.jpg' 
theImages[9] = '../images/banner-10.jpg' 
theImages[10] = '../images/banner-11.jpg' 
theImages[11] = '../images/banner-12.jpg' 
theImages[12] = '../images/banner-13.jpg' 
theImages[13] = '../images/banner-14.jpg' 
theImages[14] = '../images/banner-15.jpg' 
theImages[15] = '../images/banner-16.jpg' 
theImages[16] = '../images/banner-17.jpg' 
theImages[17] = '../images/banner-18.jpg' 
theImages[18] = '../images/banner-19.jpg' 
theImages[19] = '../images/banner-20.jpg' 
theImages[20] = '../images/banner-21.jpg'

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(){
if(whichImage==0){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==1){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==2){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==3){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==4){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==5){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==6){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==7){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==8){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==9){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==10){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==11){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==12){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==13){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==14){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==15){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==16){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==17){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==18){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==19){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==20){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
else if(whichImage==21){
document.write('<img src="'+theImages[whichImage]+'" border=0>');
}
}