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<title>jquery导航菜单二级菜单slide滑动渐隐显示</title>
<meta name="description" content="jquery导航菜单制作一个二级菜单导航条,鼠标滑过导航条二级菜单slide滑动展示且带有渐隐效果展示比较柔和的二级菜单目录。jQuery下载" />
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.navbox,.nav li,.nav li.current a,.nav li.selected a span,.nav li a.selected,.nav li a.selected span{background:#f60;}
.navbox{height:39px;background-position:0 -138px;background-repeat:repeat-x;position:relative;z-index:9;}
.nav{width:960px;margin:0 auto;}
.nav li{float:left;height:39px;background-position:100% -99px;padding:0 3px 0 2px;position:relative;}
.nav li.last{background:none;}
.nav li a{float:left;display:block;padding:0 0 0 4px;height:39px;overflow:hidden;}
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.nav li .submenu{border-style:solid;border-width:0px 1px 1px 1px;border-color:#ddd;padding:0 5px 5px 5px;width:132px;background:#fff;}
.nav li .submenu{-moz-border-radius:0 0 3px 3px;-webkit-border-radius:0 0 3px 3px;border-radius:0 0 3px 3px;-moz-box-shadow:0 5px 5px #D3D3D3;-webkit-box-shadow:0 5px 5px #D3D3D3;box-shadow:0 5px 5px #D3D3D3;}
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var tarHeight = theMenu.height();
theMenu.css({height:0,opacity:0});
theSpan.hover(
function(){
$(this).addClass("selected");
theMenu.stop().show().animate({height:tarHeight,opacity:1},400);
},
function(){
$(this).removeClass("selected");
theMenu.stop().animate({height:0,opacity:0},400,function(){
$(this).css({display:"none"});
});
}
);
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原文:http://www.cnblogs.com/anns/p/4270913.html