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

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

.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: #FFFFFF;
padding: 5px;
left: -1000px;
border: 1px dashed gray;
visibility: hidden;
color: black;
text-decoration: none;
opacity:.75;filter: alpha(opacity=75); -moz-opacity: 0.75;
}

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

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

}

.columnstyle{
background-image: url(images/spacer.gif);
}

ol { list-style-type: decimal; text-align:justify; }
ul { list-style-image: url('arrow_r.gif'); text-align:justify;} li { margin: 0px; padding-left:-100px; background: url(../images/spacer.gif) no-repeat 0 100em; }