$(window).load(function() {
        $('#slider').nivoSlider({
			effect: 'sliceUpDownLeft',
			slices: 20,
			animSpeed: 1000,
			pauseTime: 4000
		});
		$('#fade').nivoSlider({
			effect: 'fade',
			animSpeed: 1000,
			pauseTime: 4000
		});
    });