jQuery(document).ready(function($) {
	$("#post_nav a").click(function(e) {
		e.preventDefault();
		$('#post_nav a').removeClass('active');
			$(this).addClass('active');
		
		$('#stage').html('<div id="loading">loading...<\/div>');
		
		var url = $(this).attr('href');
		
		//load post via ajax into #stage
		$('#stage').load(url + ' #stage #post_container', {}, function(responseText, textStatus){
			if (textStatus !== 'success') {
				alert('an error has occurred');
				return false;
			};
			$("#post_container img").lazyload({
				threshold : 200,
			    effect : "fadeIn"
			});
		});
	});
	
	$("#post_nav a:first").click();
});