<style type="text/css">

.gallerycontainer{
position: relative;
/*Add a height attribute and set to largest image's height to prevent overlaying*/
}

.thumbnail img{
border: 1px solid white;
margin: 0 5px 5px 0;
}

.thumbnail:hover{
background-color: transparent;
}

.thumbnail:hover img{
border: 1px solid blue;
}

.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: lightyellow;
padding: 5px;
left: -1000px;
border: 1px dashed gray;
visibility: hidden;
color: black;
text-decoration: none;
}

.thumbnail span img{ /*CSS for enlarged image*/
border-width: 0;
padding: 2px;
}

.thumbnail:hover span{ /*CSS for enlarged image*/
visibility: visible;
top: 55;
left: 250px; /*position where enlarged image should offset horizontally */
z-index: 50;
}

#container {
  position:relative; 
  }
#menu {
  text-align:center; 
  position:relative; 
  height:3.5em;
  FONT-SIZE: 12px; FONT-FAMILY: Tahoma;
  }
.box {
  position:relative; 
  float:left; 
  top:10px;
  }
#menu a, #menu a:visited {
  position:relative; 
  text-decoration:none; 
  background-color:#99cc99; 
  color:#fff; 
  display:block; 
  width:120px; 
  height:15px; 
  padding:5px;
  margin:0 1px;
  }
#menu a .topleft, #menu a .topright {
  position:absolute; 
  top:0; 
  width:0; 
  height:0; 
  overflow:hidden;
  border-top:10px solid #fff;
  }
#menu a .topleft {
  left:0; 
  border-right:10px solid #00CC66; 
  }
#menu a .topright {
  left:70px; 
  border-left:10px solid #00CC66; 
  }
#menu a:hover {
  background-color:#009966; 
  }
#menu a:hover .topleft {
  border-right:10px solid #000; 
  border-top:10px solid #fff;
  }
#menu a:hover .topright {
  border-left:10px solid #000; 
  border-top:10px solid #fff;
  }

</style>
