$(window).load(function() {
			$('#slider1').nivoSlider({ pauseTime:5000, pauseOnHover:false });
			setTimeout(function(){
				$('#slider2').nivoSlider({ pauseTime:5000, pauseOnHover:false });
			}, 1000);
			setTimeout(function(){
				$('#slider3').nivoSlider({
					pauseTime:5000,
					pauseOnHover:false,
					controlNavThumbs:true
				});
			}, 2000);
			setTimeout(function(){
				$('#slider4').nivoSlider({
					effect:'random',
					animSpeed:1500,
					pauseTime:5000,
					startSlide:2,
					directionNav:false,
					controlNav:true,
					keyboardNav:false,
					pauseOnHover:false
				});
			}, 3000);
		});