jQuery(document).ready(function(){

	jQuery('#circles').oSlider({   // because you are using <div id="circles"> as a container 
		autoStart: true,
		pauseOnHover: true,
		listNavThumbs: true,
		listNavThumbsName: '_thumb',
		arrowsNavHide: true,
		layers: {
		first: {
		className: 'circles-one',
		offset: 16,
		direction: 'ltr'
		},
		second: {
		className: 'circles-two',
		offset: 8,
		direction: 'ltr'
			},
		third: {
		className: 'circles-three',
		offset: 16,
		direction: 'ltr'
			}
		}
	});
});