var theImages = new Array()

theImages[0] = 'http://www.umich.edu/~powwow/images/photos-home1.jpg'
theImages[1] = 'http://www.umich.edu/~powwow/images/photos-home2.jpg'
theImages[2] = 'http://www.umich.edu/~powwow/images/photos-home3.jpg'
theImages[3] = 'http://www.umich.edu/~powwow/images/photos-home4.jpg'
theImages[4] = 'http://www.umich.edu/~powwow/images/photos-home5.jpg'
theImages[5] = 'http://www.umich.edu/~powwow/images/photos-home6.jpg'
theImages[6] = 'http://www.umich.edu/~powwow/images/photos-home7.jpg'
theImages[7] = 'http://www.umich.edu/~powwow/images/photos-home8.jpg'
theImages[8] = 'http://www.umich.edu/~powwow/images/photos-home9.jpg'
theImages[9] = 'http://www.umich.edu/~powwow/images/photos-home10.jpg'
theImages[10] = 'http://www.umich.edu/~powwow/images/photos-home11.jpg'
theImages[11] = 'http://www.umich.edu/~powwow/images/photos-home12.jpg'
theImages[12] = 'http://www.umich.edu/~powwow/images/photos-home13.jpg'
theImages[13] = 'http://www.umich.edu/~powwow/images/photos-home14.jpg'
theImages[14] = 'http://www.umich.edu/~powwow/images/photos-home15.jpg'
theImages[15] = 'http://www.umich.edu/~powwow/images/photos-home16.jpg'
theImages[16] = 'http://www.umich.edu/~powwow/images/photos-home17.jpg'
theImages[17] = 'http://www.umich.edu/~powwow/images/photos-home18.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 alt="" src="'+theImages[whichImage]+'">');
}