a.contexto {
	position: absolute;
	font: 12px arial, verdana, helvetica, sans-serif;
	padding: 0;
	color: #039;
	text-decoration: none;
	cursor: help;
	z-index: 24;
}
a.contexto:hover {
	background: transparent;
	z-index: 25;
}
a.contexto span {
	display: none;
}
a.contexto:hover span {
	display: block;
	position: absolute;
	width: 230px; 
	display: block;
	top: 3em;
	text-align: justify;
	left: 0;
	font: 10px Verdana, arial, helvetica, sans-serif; 
	padding: 5px 10px;
	border: 1px solid #999;
	background: #E8EBF2;
	color: #000;
}


a.dcontexto {
	position: absolute;
	font: 12px arial, verdana, helvetica, sans-serif;
	padding: 0;
	color: #039;
	text-decoration: none;
	cursor: help;
	z-index: 24;
}
a.dcontexto:hover {
	background: transparent;
	z-index: 25;
}
a.dcontexto span {
	display: none;
}
a.dcontexto:hover span {
	display: block;
	position: absolute;
	width: 250px; 
	top: -2em;
	text-align: justify;
	right: 4em;
	font: 10px Verdana, arial, helvetica, sans-serif; 
	padding: 5px 10px;
	border: 1px solid #999;
	background: #E8EBF2;
	color: #000;
}