.toggleopacity img{
filter:progid:DXImageTransform.Microsoft.Alpha(opacity=50);
-moz-opacity: 0.5;
}

.toggleopacity:hover img{
filter:progid:DXImageTransform.Microsoft.Alpha(opacity=100);
-moz-opacity: 1;
}

.toggleopacity img{
border: 0px solid #ccc;
}

.toggleborder:hover img{
border: 1px solid navy;
}

.toggleborder:hover{
color: red; /* Dummy definition to overcome IE bug */
}