window.onload = function() { 
			SimplyButtons.init({
				states: {
	        outer: {
	          active: {
	            backgroundPosition: 'left -100px'
	          },
	          inactive: {
	            backgroundPosition: 'left 0'
	          }
	        },
	        inner: {
	          active: {
	            backgroundPosition: 'right -100px'
	          },
	          inactive: {
	            backgroundPosition: 'right 0'
	          }
	        }
				}
			}); 
		};