.tcn #nav li ul#b1 li#b1e {
	width:128px;
	}
.tcn #nav li ul#b1 li#b1e:hover {
	background:url(../img/nav/navb1g.png) no-repeat;
	}
/*--------------------------------------------------------- nav a  */
.tcn #nav li ul li ul#b2c3 {
    background-position: 0 -65px;
    height: 160px;
}

.tcn #nav li ul li ul#b2e3 {
    background-position: 0 -65px;
    height: 160px;
}

.tcn #nav  #nava1 {

	background:url(../img/nav/tcn/nava1.png);
}
.tcn #nav #nava2 {

	background:url(../img/nav/tcn/nava2.png);
}
.tcn #nav #nava3 {

	background:url(../img/nav/tcn/nava3.png);
}
.tcn #nav #nava4 {

	background:url(../img/nav/tcn/nava4.png);
}
.tcn #nav #nava5 {

	background:url(../img/nav/tcn/nava5.png);
}
.tcn #nav #nava6 {

	background:url(../img/nav/tcn/nava6.png);
}

.tcn #nav #nava1:hover {

	background:url(../img/nav/tcn/nava1o.png);
}
.tcn #nav #nava2:hover {

	background:url(../img/nav/tcn/nava2o.png);
}
.tcn #nav #nava3:hover {

	background:url(../img/nav/tcn/nava3o.png);
}
.tcn #nav #nava4:hover {

	background:url(../img/nav/tcn/nava4o.png);
}
.tcn #nav #nava5:hover {
	
	background:url(../img/nav/tcn/nava5o.png);
}
.tcn #nav #nava6:hover {
	background:url(../img/nav/tcn/nava6o.png);
}


.tcn.optical #nav #nava1 {background-image:url(../img/nav/tcn/nava1o.png);}
.tcn.products #nav #nava2 {background-image:url(../img/nav/tcn/nava2o.png);}
.tcn.showcase #nav #nava3 {background-image:url(../img/nav/tcn/nava3o.png);}
.tcn.support #nav #nava4 {background:url(../img/nav/tcn/nava4o.png);}
.tcn.news #nav #nava5 {background-image:url(../img/nav/tcn/nava5o.png);}
.tcn.about #nav #nava6 {background-image:url(../img/nav/tcn/nava6o.png);}

#s2700.bb.tcn #nav li ul#b2 li#b2b {background:none;}