.vcaroussel_scroll_button {
	position: absolute;
	display: block;
	z-index:4;
	width: 100%;
	height: 0px;
	background-color:#FFFFFF;
	filter:alpha(opacity=01); -moz-opacity:.01; opacity:.01;
}

.vcaroussel_scroll_up:hover {
	background: transparent url(/media/nad_site/layout/trabalho/seta_cima.png) center center no-repeat;	
	filter:alpha(opacity=100); -moz-opacity:1; opacity:1;
	display: block;
}

.vcaroussel_scroll_down:hover {
	background: transparent url(/media/nad_site/layout/trabalho/seta_baixo.png) center center no-repeat;
	filter:alpha(opacity=100); -moz-opacity:1; opacity:1;
	display: block;
}