// Random Image Script

var dirPath = "./slideshow/images";
var imageName = "slideshow";
var imageExtension = ".jpg";
var numImages = "15";

var theImages = new Array(); 
var j = 0; 
var preBuffer = new Array();

for (i = 0; i < numImages; i++) {
	j = i + 1;
	theImages[i] = dirPath + "/" + imageName + j + imageExtension;
	preBuffer[i] = new Image();
	preBuffer[i].src = theImages[i];
}
 
var whichImage = Math.round(Math.random()*(numImages-1)); 

function showImage() {
	document.write("<img src=\"" + theImages[whichImage] + "\" alt=\"Random Image\"/>");
}