#nav em {
	position:absolute;
	display:block;
	left:0;
	top:0;
}


#nav li {
	display:block;
	float:left;
	position:relative;
	height:38px;
	overflow:hidden;
}


#nav li.nav_1 {
	width:83px  !important;
}

#nav li.nav_2 {
	width:93px  !important;
}
#nav li.nav_3 {
	width:80px  !important;
}
#nav li.nav_4 {
	width:179px  !important;
}
#nav li.nav_5 {
	width:149px  !important;
}
#nav li.nav_6 {
	width:111px  !important;
}
#nav li.nav_7 {
	width:84px  !important;
}

li.nav_1 em {
	background:transparent url(../images/nav_home.gif) no-repeat;
	width:83px;
	height:76px;
}

li.nav_2 em {
	background:transparent url(../images/nav_about.gif) no-repeat;
	width:93px;
	height:76px;
}

li.nav_3 em {
	background:transparent url(../images/nav_blog.gif) no-repeat;
	width:80px;
	height:76px;
}

li.nav_4 em {
	background:transparent url(../images/nav_readingroom.gif) no-repeat;
	width:179px;
	height:76px;
}

li.nav_5 em {
	background:transparent url(../images/nav_myprofile.gif) no-repeat;
	width:149px;
	height:76px;
}

li.nav_6 em {
	background:transparent url(../images/nav_contact.gif) no-repeat;
	width:111px;
	height:76px;
}
li.nav_7 em {
	background:transparent url(../images/nav_links.gif) no-repeat;
	width:84px;
	height:76px;
}


#nav li a:hover{cursor:hand;visibility:visible; color: #000 !important;} /* needed for ie to work*/



#nav li a:hover em, #nav li.selected a em  {

}

#nav li a:hover em, #nav li.selected a em  {background-position:0 -38px}