var photo=new Array()
//insert images src here
photo[0]='http://orientation.gmu.edu/images/side.jpg';

var title=new Array()
//insert alt text here
title[0]='sidebar photos';


var xy=Math.floor(Math.random()*photo.length);

document.write('<img src="'+photo[xy]+'" alt="'+title[xy]+'" width="170" />');