JS+Div实现的阴影菜单

代码简介：

JS+Div实现的阴影菜单，放出来的让大家学习JS，CSS的朋友参考。

代码内容：

<title>JS+Div实现的阴影菜单_网页代码站(www.webdm.cn)</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;  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'"
>webdm.cn</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'"
>网页代码站</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>
<br>
<p><a href="http://www.webdm.cn">网页代码站</a> - 最专业的代码下载网站 - 致力为中国站长提供有质量的代码！</p>

代码来自：http://www.webdm.cn/webcode/39e04de5-02c5-4e32-9833-b5cd6e131906.html