// JavaScript Document
	var rnd = function(){
		// add/change image names to "x" array		
		var x = new Array("a","b","c","d","e");
		var n = Math.floor(Math.random()*x.length);
		var img = "<img height=\"112\" width=\"639\" alt=\"IIT - Office of Technology Services\" title=\"IIT - Office of Technology Services\" src=\"/ots/images/image_"+x[n]+".jpg\" />";
		$("#banner_image").html(img);		
	};
	
// onload wrapper
$(document).ready(function(){
	rnd();
});