$(document).ready(function() {
	
	$('#nav a').bind('mouseover', function(e){
		$('#section img').hide();
		$('#section #img'+$(this).attr('id')).show();
	});

	$('#nav a').bind('mouseout', function(e){
		$('#section img').hide();
		var section = $('body').attr('id');
		if (section) $('#section #img'+section).show();
	});
	
	// target external links into new windows
	$('a').each(function(index) {
		if ($(this).attr('rel') == 'external') $(this).attr('target', '_blank');
	});
});