.nav{background:url(/imagenes/pro_line_0.gif) repeat-x;font-family:arial, verdana, sans-serif;font-size:11px;height:35px;position:relative;width:980px;z-index:500}
.nav .table{display:table;margin:0 auto}
.nav .select,.nav .current{display:table-cell;list-style:none;margin:0;padding:0;white-space:nowrap}
.nav li{float:left;height:auto;margin:0;padding:0}
.nav .select a{background:url(/imagenes/pro_line_0.gif);color:#ddd;display:block;float:left;height:35px;line-height:35px;padding:0 30px;text-decoration:none;white-space:nowrap}
.nav .current a{background:url(/imagenes/pro_line_2.gif);color:#fff;display:block;float:left;height:35px;line-height:35px;padding:0 0 0 15px;text-decoration:none;white-space:nowrap}
.nav .current a b{background:url(/imagenes/pro_line_2.gif) right top;display:block;padding:0 30px 0 15px}
.nav .select a:hover,.nav .select li:hover a{background:url(/imagenes/pro_line_1.gif);color:#fff;cursor:pointer;padding:0 0 0 15px}
.nav .select a:hover b,.nav .select li:hover a b{background:url(/imagenes/pro_line_1.gif) right top;cursor:pointer;display:block;float:left;padding:0 30px 0 15px}
.nav .select_sub{display:none}
ul.sub li{margin:0 30px}
.nav table{border-collapse:collapse;font-size:1em;height:0;margin:-1px;width:0}
.nav .sub{display:table;list-style:none;margin:0 auto;padding:0}
.nav .sub_active .current_sub a,.nav .sub_active a:hover{background:transparent;color:red}
.nav .select :hover .select_sub,.nav .current .show{background:url(/imagenes/back_0.gif);display:block;left:0;padding:0;position:absolute;text-align:center;top:35px;width:980px;z-index:100}
.nav .current .show{z-index:10}
.nav .select :hover .sub li a,.nav .current .show .sub li a{background:transparent;border:0;color:#444;display:block;float:left;margin:0;padding:0 10px;white-space:nowrap}
.nav .current .sub li.sub_show a{background:url(menus/back_1.gif);color:#088;cursor:default}
.nav .select :hover .sub li a:hover,.nav .current .sub li a:hover{background:url(menus/back_1.gif);color:#088;visibility:visible}