.preload2 {background: url(../images/menutop/button4.gif);}
.menu2 {padding:0 0 0 0px; margin:0; list-style:none; height:40px; background:#fff url(../images/menutop/button1a.gif) repeat-x; position:relative; font-family:tahoma,arial, verdana, sans-serif; z-index:200; }
.menu2 li.top {display:block; float:left; position:relative;}
.menu2 li a.top_link {display:block; float:left; height:40px; line-height:33px; color:#fff; text-decoration:none; font-size:11px; font-weight:normal; padding:0 0 0 10px; cursor:pointer;}
.menu2 li a.top_link span {float:left; display:block; padding:0 20px 0 8px; height:40px;}
.menu2 li a.top_link span.down {float:left; display:block; padding:0 20px 0 4px; height:40px; background:url(../images/menutop/down.gif) no-repeat right top;}
.menu2 li a.top_link:hover {color:#fff; background: url(../images/menutop/button4.gif) no-repeat;}
.menu2 li a.top_link:hover span {background:url(../images/menutop/button4.gif) no-repeat right top;}
.menu2 li a.top_link:hover span.down {background:url(../images/menutop/button4a.gif) no-repeat right top;}

.menu2 li:hover > a.top_link {color:#fff; background: url(../images/menutop/button4.gif) no-repeat;}
.menu2 li:hover > a.top_link span {background:url(../images/menutop/button4.gif) no-repeat right top;}
.menu2 li:hover > a.top_link span.down {background:url(../images/menutop/button4a.gif) no-repeat right top;}


.menu2 table {border-collapse:collapse; width:0; height:0; position:absolute; top:0; left:0;}

/* Estilos de enlaces por defecto */

/* Estilos de la lista O de el hover de enlace. Depende del navegador usado */

.menu2 a:hover {visibility:visible;}
.menu2 li:hover {position:relative; z-index:200;}

/* mantener el nivel 'siguiente' invisible poniéndolo fuera de la escena. */
.menu2 ul, 
.menu2 :hover ul ul, 
.menu2 :hover ul :hover ul ul,
.menu2 :hover ul :hover ul :hover ul ul,
.menu2 :hover ul :hover ul :hover ul :hover ul ul {position:absolute; left:-9999px; top:-9999px; width:0; height:0; margin:0; padding:0; list-style:none;}

.menu2 :hover ul.sub {left:2px; top:40px; background: #fff; padding:3px 0; border:1px solid #63C0FE; white-space:nowrap; width:180px; height:auto; z-index:999;}
.menu2 :hover ul.sub li {display:block; height:20px; position:relative; float:left; width:170px;}
.menu2 :hover ul.sub li a {display:block; font-size:11px; height:20px; width:174px; line-height:20px; text-indent:5px; color:#000; text-decoration:none; border:3px solid #fff; border-width:0 0 0 3px;}
/*fly*/
.menu2 :hover ul.sub li a.fly {background:#fff url(../images/menutop/arrow.gif) 155px 7px no-repeat;}
.menu2 :hover ul.sub li a:hover {background:#63C0FE; color:#fff;}
.menu2 :hover ul.sub li a.fly:hover {background:#63C0FE url(../images/menutop/arrow_over.gif) 155px 7px no-repeat; color:#fff;}
.menu2 :hover ul li:hover > a.fly {background:#63C0FE url(../images/menutop/arrow_over.gif) 155px 7px no-repeat; color:#fff;} 
/*//fly*/
.menu2 :hover ul :hover ul,
.menu2 :hover ul :hover ul :hover ul,
.menu2 :hover ul :hover ul :hover ul :hover ul,
.menu2 :hover ul :hover ul :hover ul :hover ul :hover ul
{left:177px; top:-4px; background: #fff; padding:3px 0; border:1px solid #63C0FE; white-space:nowrap; width:180px; z-index:200; height:auto;}

/* Los siguientes estilos valen para un submenú más largo [250 px concretamente] 
Con poner <ul class="sub2"> en el htm ya estaría todo hecho*/

.menu2 :hover ul.sub2 {left:2px; top:40px; background: #fff; padding:3px 0; border:1px solid #63C0FE; white-space:nowrap; width:250px; height:auto; z-index:999;}
.menu2 :hover ul.sub2 li {display:block; height:20px; position:relative; float:left; width:240px;}
.menu2 :hover ul.sub2 li a {display:block; font-size:11px; height:20px; width:244px; line-height:20px; text-indent:5px; color:#000; text-decoration:none; border:3px solid #fff; border-width:0 0 0 3px;}
.menu2 :hover ul.sub2 li a.fly {background:#fff url(../images/menutop/arrow.gif) 155px 7px no-repeat;}
.menu2 :hover ul.sub2 li a:hover {background:#63C0FE; color:#fff;}
.menu2 :hover ul.sub2 li a.fly:hover {background:#63C0FE url(../images/menutop/arrow_over.gif) 155px 7px no-repeat; color:#fff;}