// JavaScript Document
var UL = {
	removeLastBorder: function(id) {
		var ul = document.getElementById(id);
		if (ul) {
			var lis = ul.getElementsByTagName('li');
			var lis_count = lis.length;
			
			lis[lis_count - 1].style.border = 'none';
		}
	}
}

function rotatePhoto() {
	var rand = Math.floor(Math.random()*3)
	document.getElementById('image-main').src = "http://provost.nd.edu/images/classroom"+rand+".jpg";
}

window.onload = function() {
	UL.removeLastBorder('nav-sec');
	rotatePhoto();
}