$(document).ready(function(){
	
	$('#tabbed-nav li').click(function(){
		
		var oldActive = $('#tabbed-nav .selected').attr('id');
		oldActive = oldActive.substr(3);
		
		$("#tabbed-nav li").removeClass("selected");
		$(this).addClass("selected");
		
		var newActive = $('#tabbed-nav li').index(this);
		
		var val = ((newActive + 1) - oldActive) * 1000;
		
		$('#tabbed-nav-content').children('div').animate({ left: '-=' + val}, 1000);
	});
	
});