a.menu_tab_selected {
  background-position:0px 41px;
}

a.menu_tab1 {
  background-image:url(../images/chapters_menu_od.gif);
  width:159px;
}
a.menu_tab1:hover {
  background-position:0px 41px;
}
a.menu_tab1 span{
  background-image:url(../images/chapters_menu_od.gif);
  width:159px;
}


a.menu_tab2 {
  background-image:url(../images/contact_menu_od.gif);
  width:157px;
}
a.menu_tab2:hover {
  background-position:0px 41px;
}
a.menu_tab2 span {
  background-image:url(../images/contact_menu_od.gif);
  width:157px;
}


a.menu_tab3 {
  background-image:url(../images/collateral_menu_od.gif);
  width:159px;
}
a.menu_tab3:hover {
  background-position:0px 41px;
}
a.menu_tab3 span{
  background-image:url(../images/collateral_menu_od.gif);
  width:159px;
}


a.menu_tab4 {
  background-image:url(../images/podcasts_menu_od.gif);
  width:157px;
}
a.menu_tab4:hover {
  background-position:0px 41px;;
}
a.menu_tab4 span{
  background-image:url(../images/podcasts_menu_od.gif);
  width:157px;
}


a.menu_tab5 {
  background-image:url(../images/vodcasts_menu_od.gif);
  width:156px;
}
a.menu_tab5:hover {
  background-position:0px 41px;
}
a.menu_tab5 span{
  background-image:url(../images/vodcasts_menu_od.gif);
  width:156px;
}

.menu_tab li a {
  height:41px;
  display:block;
}

.menu_tab li a span {
  height:41px;
	background-position:0px 41px;
	cursor: pointer;
	display:block;
	opacity:0.0;
	filter:alpha(opacity=0);
}

#chapters {
  background-image:url(../images/menu1_bg.gif)
}

#contact {
  background-image:url(../images/menu2_bg.gif)
}

#collateral {
  background-image:url(../images/menu3_bg.gif)
}

#podcasts {
  background-image:url(../images/menu4_bg.gif)
}

#vodcasts {
  background-image:url(../images/menu5_bg.gif)
}