$(document).ready(function() {    
    $('#sites .site:not(:first)').hide();//hide all but the first site
    $('#controls div:first a').addClass('selected');
    
    $('#controls a').click(function() {
        var sites	=	$('#sites > div');
        var site	=	this.hash;
        
        $('#controls .selected').removeClass('selected');
       	$(this).addClass('selected');
        
        $('#sites .site:visible').fadeOut(100,function() {        	
        	sites.filter(site).fadeIn(200);        	
        });
        return false;
    });
});