/* nav buttons */
.nav #homeMarketing a:hover {
    background: transparent url(/images/radrev/n_marketing.gif)
    0 -25px no-repeat;}
.nav #subscribe a:hover {
    background: transparent url(/images/radrev/n_marketing.gif)
    -102px -25px no-repeat;}
.nav #sampleexams {
    background: transparent url(/images/radrev/n_marketing.gif)
    -204px 0px no-repeat;}
.nav #samplereport a:hover {
    background: transparent url(/images/radrev/n_marketing.gif)
    -334px -25px no-repeat;}
.nav #about a:hover {
    background: transparent url(/images/radrev/n_marketing.gif)
    -532px -25px no-repeat;}