#roll {
display: block;
width: 198px;
height: 50px;
background: url("http://admin.webmakerx.net/images/Sites/Site17864/Picture/2010/April/lg_Certification-Checklist-ButtonC.png") no-repeat 0 0;
}

#roll:hover {
background-position: -198px 0;
}

#roll span {
display: none;
}
#roll2 {
display: block;
width: 198px;
height: 50px;
background: url(http://admin.webmakerx.net/images/Sites/Site17865/Document/view-all-inventory.png) no-repeat 0 0;
}
#roll2:hover {
background-position: -198px 0;
}
#roll2 span {
display: none;
}