function getScrollbarPosition(percent_position){
	document.getElementById("umbroglobalhome").scrollbarChanged(percent_position);
};

function scrollDown(){
	$.scrollTo('80%','0%');
};

function scrollUp(){
	$.scrollTo('0%','0%');
};

$(document).ready(function(){
		$(window).scroll(function () { 
			if(window.location.href.indexOf('speciali')> 0){
				var swfHeight = $("#umbroglobalhome").height();
				var windowHeight = $(window).height();
				var scrollTop = $(window).scrollTop();
				var percentage = scrollTop / (swfHeight - windowHeight);
				
				getScrollbarPosition(percentage);
			}
		});
});