gistfile1.txt

<aui:script use="aui-base,anim-base,anim-node-plugin,anim-scroll">
	var step = 25;
	var scrolling = false;

	var list = A.one('.oneshop-portlet-item-browser .list');

	var a = new A.Anim({
		node: '.oneshop-portlet-item-browser .list',
		duration: 0.5
	});

	A.one('.oneshop-portlet-item-browser .btn.icon-chevron-up').on('mouseenter', function() {
		scrolling = true;
		scrollContent("up");
	});

	A.one('.oneshop-portlet-item-browser .btn.icon-chevron-up').on('mouseleave', function() {
		a.stop();
		scrolling = false;
	});

	A.one('.oneshop-portlet-item-browser .btn.icon-chevron-down').on('mouseenter', function() {
		scrolling = true;
		scrollContent("down");
	});

	A.one('.oneshop-portlet-item-browser .btn.icon-chevron-down').on('mouseleave', function() {
		a.stop();
		scrolling = false;
	});

	function scrollContent(direction) {
		var amount = (direction === "up" ? -100 : +100);

		console.log(direction);

		a.set('to',{
			scrollTop: list.attr('scrollTop') + amount
		});

		a.on('end', function() {
			if (scrolling) {
				if (list.attr('scrollTop') <= 0) {
					scrolling = false;
					return;
				}
				else {
					scrollContent(direction);
				}
			}
		});

		a.run();
	}

</aui:script>