$(document).ready(function() {

	$("#keyvisual .scrollable").scrollable({ 
	    speed: 500,	
		  size: 3
	}).mousewheel().circular(true);

	setRotation();
});

function setRotation() {
  rotateInterval = setInterval(function() {
    $("#keyvisual .scrollable").scrollable().next();  
  }, 5000);
}

function clearRotation() {
  clearInterval(rotateInterval);
}