.thumbnail{
position: relative;
z-index: 0;
}

.thumbnail:hover{
background-color: transparent;
z-index: 50;
}

.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: beige;
padding: 5px;
left: -1000px;
border: 1px dashed green;
visibility: hidden;
color: black;
text-decoration: none;
width: 250px;
}

.thumbnail span img{ /*CSS for enlarged image*/
border-width: 0;
padding: 2px;
}

.thumbnail:hover span{ /*CSS for enlarged image on hover*/
visibility: visible;
top: 0;
left: 60px; /*position where enlarged image should offset horizontally */

}

#popitmenu{
position: absolute;
background-color: white;
border:1px solid black;
font: normal 12px Verdana;
line-height: 18px;
z-index: 100;
visibility: hidden;
}

#popitmenu a{
text-decoration: none;
padding-left: 6px;
color: black;
display: block;
}

#popitmenu a:hover{ /*hover background color*/
background-color: #CCFF9D;
}