var theImages = new Array();
theImages[0] = '1.jpg';
theImages[1] = '2.jpg';
theImages[2] = '3.jpg';
theImages[3] = '4.jpg';
theImages[4] = '5.jpg';
theImages[5] = '6.jpg';
theImages[5] = '7.jpg';
theImages[5] = '8.jpg';
theImages[5] = '9.jpg';
theImages[5] = '10.jpg';
theImages[5] = '11.jpg';
theImages[5] = '12.jpg';
theImages[5] = '13.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() {
	document.write('<img src="/img/'+theImages[whichImage]+'" border="0"/>');
}