$(window).load(function() {
		
		var total = $('#slider img').length;
		var rand = Math.floor(Math.random()*total);
		
		$('#slider').nivoSlider({
			effect: 'random', // Specify sets like: 'fold,fade,sliceDown'
			animSpeed: 400, // Slide transition speed
			pauseTime: 4000, // How long each slide will show
			startSlide: rand, // Set starting Slide (0 index)
			captionOpacity: 0.7, // Universal caption opacity
			keyboardNav: true // Use left & right arrows
			
		});
	});