function cycleImage() {
	img_captions = new Array();

// captions: (link-url,image-path,alt-text)

	img_captions[0] = Array('http://www.nd.edu/~coping/','http://www.nd.edu/~coping/assets/images/rotator/1.jpg','');
	img_captions[1] = Array('http://www.nd.edu/~coping/','http://www.nd.edu/~coping/assets/images/rotator/2.jpg','');
	img_captions[2] = Array('http://www.nd.edu/~coping/','http://www.nd.edu/~coping/assets/images/rotator/3.jpg','');	


var num = img_captions.length;
	img_number  = Math.floor(Math.random()*(num));
	document.write('<a href="' + img_captions[img_number][0] + '"><img src="' + img_captions[img_number][1] + '" alt="' + img_captions[img_number][2] + '" border="0" /></a>');
}