#select {  
     background:url("../images/select.gif") 0 0 no-repeat;  
     width:750px;
     height:215px;
     margin:0;
     padding:0;
}  
#select li span {
     display: none;
}

#select li {
     float:left;
     list-style:none;
     position:relative;
}  
#select li, #select a {  
     height:215px;
     display:block;  
     margin:0;  
     padding:0;  
}

li#illus {
     width:266px;
}  
li#photo {
     width:226px;
}  
li#graph {
     width:258px;
}

#illus a:hover {
     background:url("../images/select.gif") -0px  -215px no-repeat;
}  
#photo a:hover {
     background:url("../images/select.gif") -266px  -215px no-repeat;
}  
#graph a:hover {
     background:url("../images/select.gif") -492px  -215px no-repeat;
}