.familyIcon {
    display: block;
    width: 21px;
    height: 20px;
    background-image: url('img/familyIcons.gif');
    float: left;
    margin-right: 10px;
}

.iWhiten { background-position: -20px 0;}
.iPrevent { background-position: -20px  -20px;}
.iPrepare { background-position: -20px  -40px;}
.iTissue { background-position: -20px  -60px;}
.iBond { background-position: -20px  -80px;}
.iComposites { background-position: -20px  -100px;}
.iCements { background-position: -20px  -120px;}
.iFinish { background-position: -20px  -140px;}
.iEquipment { background-position: -20px  -160px;}
.iEndo { background-position: -20px  -180px;}
.iImpressions { background-position: -20px  -200px;}
.iTips { background-position: -20px  -220px;}
.iOrtho { background-position: -20px  -240px;}

.iWhiten:hover, .iWhitenOn { background-position: 0 0; }
.iPrevent:hover,.iPreventOn {	background-position: 0 -20px;}
.iPrepare:hover,.iPrepareOn {	background-position: 0 -40px;}
.iTissue:hover,.iTissueOn {	background-position: 0 -60px;}
.iBond:hover,.iBondOn {	background-position: 0 -80px;}
.iComposites:hover,.iCompositesOn {	background-position: 0 -100px;}
.iCements:hover,.iCementsOn {	background-position: 0 -120px;}
.iFinish:hover,.iFinishOn {	background-position: 0 -140px;}
.iEquipment:hover,.iEquipmentOn {	background-position: 0 -160px;}
.iEndo:hover,.iEndoOn {	background-position: 0 -180px;}
.iImpressions:hover,.iImpressionsOn {	background-position: 0 -200px;}
.iTips:hover,.iTipsOn {	background-position: 0 -220px;}
.iOrtho:hover,.iOrthoOn {	background-position: 0 -240px;}