function f_scrollTop() {
	return f_filterResults (
		window.pageYOffset ? window.pageYOffset : 0,
		document.documentElement ? document.documentElement.scrollTop : 0,
		document.body ? document.body.scrollTop : 0
	);
}

function f_filterResults(n_win, n_docel, n_body) {
	var n_result = n_win ? n_win : 0;
	if (n_docel && (!n_result || (n_result > n_docel)))
		n_result = n_docel;
	return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}

jQuery(function( $ ){
	$.localScroll({	
		queue:true,
		duration:1000,
		hash:true,
		onBefore:function( e, anchor, $target ){
			// The 'this' is the settings object, can be modified
			$('.topPageNew').remove();
		},
		onAfter:function( anchor, settings ){
				var yPos = f_scrollTop();
				$('#testo').append('<div class="topPageNew"><a href="#topPage" class="topPage"><span class="nodisplay">top</span></a></div>');
				$('.topPageNew').css({'top': yPos+'px'});
				$('.topPageNew').localScroll({
											 onAfter:function( anchor, settings){
												 $('.topPageNew').remove();
											 }});

			// The 'this' contains the scrolled element (#content)
		}
	});
});