window.addEvent('domready', function(){
	new SmoothScroll({duration:300});
			/* go to top */
			var go = $('gototop');
			go.set('opacity','0').setStyle('display','block');
			window.addEvent('scroll',function(e) {
				if(Browser.Engine.trident4) {
					go.setStyles({
						'position': 'absolute',
						'bottom': window.getPosition().y + 10,
						'width': 100
					});
				}
				go.fade((window.getScroll().y > 10) ? 'in' : 'out')
			});
	});