* { margin: 0; padding: 0; font-size: 14px; }
a { color: #333; text-decoration: none }
ul{ list-style: none; }
.nav {height: 30px; border-bottom: 5px solid #F60; margin-left:50px; width:600px;}
.nav li { float: left; position:relative; height:30px; width:120px }
.nav li a { display: block; height: 30px; text-align: center; line-height: 30px; width:120px; background: #efefef; margin-left: 1px; }
.subNav{ position:absolute; top:30px; left:0; width:120px; height:0; overflow:hidden}
.subNav li a{ background:#ddd }
.subNav li a:hover{ background:#efefef}
/*
window.οnlοad=function(){
var aLi=document.getElementsByTagName('li');
for(var i=0; i
aLi[i].οnmοuseοver=function(){
//鼠标经过一级菜单，二级菜单动画下拉显示出来
var This=this.getElementsByTagName('ul')[0];
clearInterval(This.time);
This.time=setInterval(function(){
This.style.height=This.offsetHeight+16+"px";
if(This.offsetHeight>=120){
clearInterval(This.time);
}
},30)
}
//鼠标离开菜单，二级菜单动画收缩起来。
aLi[i].οnmοuseοut=function(){
var This=this.getElementsByTagName('ul')[0];
clearInterval(This.time);
This.time = setInterval(function(){
This.style.height=This.offsetHeight-16+"px";
if(This.offsetHeight<=0){
clearInterval(This.time);
}
},30)
}
}
}
*/
window.οnlοad=function(){
var aLi=document.getElementsByTagName("li");
for(var i=0;i
aLi[i].οnmοuseοver=function(){
//鼠标经过一级菜单，二级菜单动画下拉显示出来
var aUl=aLi[i].getElementsByTagName("ul")[0];
aUl.style.display="block";
}
aLi[i].οnmοuseοut=function(){
//鼠标离开菜单，二级菜单动画收缩起来
var aUl=aLi[i].getElementsByTagName("ul")[0];
aUl.style.display="none";
}
}
}
一级菜单- 二级菜单
- 二级菜单
- 二级菜单
- 二级菜单
- 二级菜单
- 二级菜单
- 二级菜单
- 二级菜单
