.cssnav	{
background-repeat: no-repeat;
margin: 0; 
margin-bottom:0px;
padding: 0; 
}
.cssnav a {
font-size: 11px;
margin: 0;
padding: 0;
color: black; text-decoration: none; 
}
.cssnav img {width: 75px; height: 50px; border: 0px none;opacity: .4; filter:alpha(opacity=40) }
* html a:hover {visibility:visible}
.cssnav a:hover img{opacity: 1.0; filter:alpha(opacity=100)}