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Div+Js实现的带阴影菜单微软以前网站曾用过

2009-12-22 23:00:18 作者：

Div+Js实现的阴影菜单，微软以前老版网站首页曾用过，用以索引出Windows产品家族的所有产品，本菜单仅实现了一个雏形，想实现像微软一样的效果，估计还需要做不少工作。放出来的目的是供学习CSS的朋友做参考。

<title>Div+Js实现的带阴影菜单 微软以前网站曾用过</title> 
<script> 
var global = window.document 
global.fo_shadows = new Array 
function makeRectangularDropShadow(el, color, size) 
{ 
    var i; 
    for (i=size; i>0; i--) 
    {

var rect = document.createElement('div'); 
        var rs = rect.style 
        rs.position = 'absolute'; 
        rs.left = (el.style.posLeft + i) + 'px'; 
        rs.top = (el.style.posTop + i) + 'px'; 
        rs.width = el.offsetWidth + 'px'; 
        rs.height = el.offsetHeight + 'px'; 
        rs.zIndex = el.style.zIndex - i; 
        rs.backgroundColor = color; 
        var opacity = 1 - i / (i + 1); 
        rs.filter = 'alpha(opacity=' + (100 * opacity) + ')'; 
        el.insertAdjacentElement('afterEnd', rect); 
        global.fo_shadows[global.fo_shadows.length] = rect; 
    }

} 
</script> 
<style>body,td,div,a,input{font:menu;line-height:180%}</style> 
<div id=menu style="position:absolute; left: 10px; top: 10px; background: #EEEEEE; width: 120px; height: 100px; padding: 3px; border: 1 #999999 solid; cursor: default"> 
<div style="border: 1 solid #EEE" 
onmouseover="this.style.background='#CCC'; this.style.borderColor='#999'" 
onmouseout ="this.style.background='#EEE'; this.style.borderColor='#EEE'" 
>Jb51.net</div> 
<div style="border: 1 solid #EEE" 
onmouseover="this.style.background='#CCC'; this.style.borderColor='#999'" 
onmouseout ="this.style.background='#EEE'; this.style.borderColor='#EEE'" 
>脚本之家</div> 
<div style="border: 1 solid #EEE" 
onmouseover="this.style.background='#CCC'; this.style.borderColor='#999'" 
onmouseout ="this.style.background='#EEE'; this.style.borderColor='#EEE'" 
>网页特效</div> 
<script> 
makeRectangularDropShadow(document.all["menu"], "#666666", 4); 
</script>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

Div+Js实现的带阴影菜单 微软以前网站曾用过

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Div+Js实现的带阴影菜单微软以前网站曾用过