#nav_galeria, #nav_galeria ul{
margin:0;
padding:0;
list-style-type:none;
list-style-position:outside;
position:relative;
line-height:1.5em; 

z-index:5;
}

#nav_galeria a{
display:block;
padding:0px 5px;
border:1px solid #333;
color:#ccc;
font-size:11px;
text-decoration:none;
background-color:#333;
background-image: url(../img/FondoDesplegable.gif);
width:153px;
height:26px;
border: 1px solid #797575;
}

#nav_galeria a:hover{
background-color:#fff;
color:#fff;
}

#nav_galeria li{
float:left;
position:relative;
}

#nav_galeria ul {
position:absolute;
display:none;
top:28px;
border: 1px solid #797575;
}

#nav_galeria li ul a{
width:153px;
height:26px;
float:left;
border:none;
background-image: url(../img/FondoDesplegable_ocult.gif);
}

#nav_galeria li ul a:hover{
width:153px;
height:26px;
float:left;
border:none;
background-image: url(../img/FondoDesplegable_ocult_hover.gif);
background-color:#999;
}

#nav_galeria ul ul{
top:auto;
}	

#nav_galeria li ul ul {
left:12em;
margin:0px 0 0 26px;
}

#nav_galeria li:hover ul ul, #nav_galeria li:hover ul ul ul, #nav_galeria li:hover ul ul ul ul{
display:none;
}
#nav_galeria li:hover ul, #nav_galeria li li:hover ul, #nav_galeria li li li:hover ul, #nav_galeria li li li li:hover ul{
display:block;
}