// JavaScript Document 


// select random photo

var randimage = new Array(
  	'images/home_image01.jpg', 
  	'images/home_image02.jpg', 
  	'images/home_image03.jpg',	
  	'images/home_image04.jpg'	
);

// find random number based on number of pics in array
var randnum = Math.floor(Math.random()*randimage.length);


// generate corresponding alt tag
var randalt = new Array(
  	'Welcome to the MIT Office of the Registrar', 
  	'Welcome to the MIT Office of the Registrar', 
  	'Welcome to the MIT Office of the Registrar',
  	'Welcome to the MIT Office of the Registrar'
);