.button {
	width:370px;
	height:41px;
	display:block;
	background-image:url(../imagenes/down.png);
	background-position: top;
}
.button:hover{
	width:370px; 
	background-position: bottom;
	height:41px;
	background-image:url(../imagenes/down.png) no repeat;
}

.button2 {
	width:370px;
	height:41px;
	display:block;
	background-image:url(../imagenes/down2.png);
	background-position: top;
}
.button2:hover{
	width:370px; 
	background-position: bottom;
	height:41px;
	background-image:url(../imagenes/down2.png) no repeat;
}

.button3 {
	width:370px;
	height:41px;
	display:block;
	background-image:url(../imagenes/BtnEstructurales.png);
	background-position: top;
}
.button3:hover{
	width:370px; 
	background-position: bottom;
	height:41px;
	background-image:url(../imagenes/BtnEstructurales.png) no repeat;
}

.ON3{
	width:370px; 
	background-position: bottom;
	height:41px;
	background-image:url(../imagenes/BtnEstructurales.png) no repeat;
}


.button4 {
	width:370px;
	height:41px;
	display:block;
	background-image:url(../imagenes/BtnLijados.png);
	background-position: top;
}
.button4:hover{
	width:370px; 
	background-position: bottom;
	height:41px;
	background-image:url(../imagenes/BtnLijados.png) no repeat;
}

.ON4{
	width:370px; 
	background-position: bottom;
	height:41px;
	background-image:url(../imagenes/BtnLijados.png) no repeat;
}

.button5 {
	width:370px;
	height:41px;
	display:block;
	background-image:url(../imagenes/BtnColoniales.png);
	background-position: top;
}
.button5:hover{
	width:370px; 
	background-position: bottom;
	height:41px;
	background-image:url(../imagenes/BtnColoniales.png) no repeat;
}

.ON5{
	width:370px; 
	background-position: bottom;
	height:41px;
	background-image:url(../imagenes/BtnColoniales.png) no repeat;
}

.button6 {
	width:370px;
	height:41px;
	display:block;
	background-image:url(../imagenes/BtnOtros.png);
	background-position: top;
}
.button6:hover{
	width:370px; 
	background-position: bottom;
	height:41px;
	background-image:url(../imagenes/BtnOtros.png) no repeat;
}
.ON6{
	width:370px; 
	background-position: bottom;
	height:41px;
	display:block;
	background-image:url(../imagenes/BtnOtros.png) no repeat;
}