function checkScroll() {
	var scrollY = window.getScroll().y;
	// var curTop = parseInt($('floating-top').getStyle('top'));
	// console.log(scrollY);
	
	var mode = (scrollY > 200) ? 'in' : 'out';
	$('floating-top').fade(mode);
	
	// if (!floating_top_moving) {
		// floating_top_moving = true;
		// var toolbarFx = new Fx.Tween('floating-top', {
			// duration: 'normal',
			// property: 'top'
		// }).start(curTop, endTop);
		// toolbarFx.addEvent('complete', function() {
			// console.log('finish moving');
			// floating_top_moving = false;
		// });
	// }
}

$('floating-top').set('opacity','0').setStyle('display','block');
// $('floating-top').setStyle('top', -22);

$('floating-top-link').addEvent('click', function() {
	window.scrollTo(0,0);
	checkScroll();
	
	return false;
});

window.addEvent('scroll', function() {	
	checkScroll();
});