$(document).ready(function(){
	
		$('#logo img').hover(function() {
			$(this).stop().animate({
            opacity: 0
            	}, 250);
            }, function () {
            	$(this).stop().animate({
                	opacity: 1
                    }, 250);
         });
         
     $(window).load(function() {
        $('#slider, #portfolio_slider').nivoSlider({
     	 effect:'fade',
     	 directionNavHide:false,
		 controlNav:true,
		 pauseTime:5000,
         pauseOnHover:false
     	});
     });
    
});