#navigation ul {  
	list-style:none;
	margin:0;
	padding: 0px 16px 0px 16px;
}
#navigation ul li {
	padding:0;
	float:left;
	margin: 0px 4px 0px 4px;
}
#navigation ul li a {
	display:block;
	width:130px;
	height:29px;  //Quito el padding, pero le pongo altura.
	text-decoration:none;
}
#navigation ul li a:hover {
	background-position: 0 -34px; text-decoration: none; 
}
#navigation ul li a:active {
	background-position: 0 -68px; text-decoration: none; 
}
#navigation ul li a span {
	display:none; //Oculto el texto.
}
#comvence {
	background-image:url(../img/btn_comvence.png);
}
#comvencecurrent {
	background-image:url(../img/btn_comvence.png);
	background-position: 0 -68px; text-decoration: none; 
}

#comtrata {
	background-image:url(../img/btn_comtrata.png);
}
#comtratacurrent {
	background-image:url(../img/btn_comtrata.png);
	background-position: 0 -68px; text-decoration: none; 	
}
#comunidad {
	background-image:url(../img/btn_comunidad.png);
}
#comunidadcurrent {
	background-image:url(../img/btn_comunidad.png);
	background-position: 0 -68px; text-decoration: none; 	
}
#comentarios {
	background-image:url(../img/btn_comentarios.png);
}
#comentarioscurrent {
	background-image:url(../img/btn_comentarios.png);
	background-position: 0 -68px; text-decoration: none;	
}
#comtacta {
	background-image:url(../img/btn_comtacta.png);
}
#comtactacurrent {
	background-image:url(../img/btn_comtacta.png);
	background-position: 0 -68px; text-decoration: none;	
}