$(window).load(function() {
    $('#slider').nivoSlider({
		effect:'random',
		slices:20,
		animSpeed:1000,
		pauseTime:4000,
		startSlide:0,
		directionNav:false,
		directionNavHide:false,
		controlNav:false,
		controlNavThumbs:false,
		controlNavThumbsSearch: '.jpg',
		controlNavThumbsReplace: '_thumb.jpg',
		keyboardNav:true,
		pauseOnHover:false,
		manualAdvance:false,
		captionOpacity:0.5,
		beforeChange: function(){},
		afterChange: function(){},
		slideshowEnd: function(){}
    });
});