var masthead 	= ['masthead_1.jpg', 'masthead_2.jpg', 'masthead_3.jpg', 'masthead_4.jpg'];
var bg			= ['bg1.jpg', 'bg3.jpg', 'bg4.jpg', 'bg5.jpg'];

jQuery(document).ready(function($) {
	
	//Picks a random image for the background
	$('html, body').css({
		'background-image': 'url(http://matthaliski.com/wp-content/themes/matthaliski/images/' + bg[Math.floor(Math.random()*bg.length)] + ')'	
	});
});