// Homepage image swap

$('document').ready(setUpPage);

function setUpPage() {
	// initially hides home image divs
	$('.tabbed').hide();
	
	// randomizes home image div display
    $('#art' + Math.ceil(Math.random() * 3)).show();
	
	// link click in 'image_nav' class triggers showArticle function
	$('.image_nav a').bind('click', showArticle);
}

// div/image-swapping function (via image_nav click)
function showArticle (ev) {
	$('.tabbed').hide();
	
	var whichTab = $(this).attr('href');
	$(whichTab).show();
	
	ev.preventDefault();
}