精致导航下拉菜单-JS特效-爱易网页

精致导航下拉菜单

日期：2014-05-18　浏览次数：20209 次

以下是HTML网页特效代码，点击运行按钮可查看效果：

以下是程序代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Alone's blog--导航</title>
<style>
/* for all */
a:link,a:visited{color:#2f5795;text-decoration:none;}
a:hover,a:active{color:#000;}
*{ margin:0; padding:0;}
li{list-style:none;vertical-align:middle;}
ol li{list-style:inside decimal; padding-left:6px;}
img{ border:0;}
.FL{float:left;}
.FR{float: right;}
.Hide{border-top:1px solid transparent !important;margin-top:-1px !important;border-top:0;margin-top:0;clear:both;visibility:hidden;}
/*结构布局*/
body{font:12px/21px "宋体";color:#000;text-align:center;}
.Wp {text-align:left; margin:0 auto;width:880px;}
#Head{height:35px; background:#323334 url(img/navbg1.jpg) repeat-x; width:100%;background: url(http://www.p.cn/img/navbg2.jpg) repeat-x;}
/*公用*/
#Head .Wp{height:32px;}
 #Head h1{ float:left;}
 #nav{ float:right;border-left: 1px solid #818488;border-right: 1px solid #323334;}
  #nav li{ float:left;}
  #nav li a{width:78px; height:32px;border-right:1px solid #818488;border-left:1px solid #323334; display:block; font: bold 14px/32px "宋体";text-align:center;}
  #nav a:link,#nav a:visited{color:#fff;text-decoration:none}
  #nav a:hover,#nav a:active,#hover{color:#fff;font: bold 16px/32px "宋体"; background: url(http://www.p.cn/img/navbg2.jpg) repeat-x;}
   /*一级菜单*/
   #downall{position:absolute;top:118px;margin:0;padding:0;}
   #product{position:absolute;top:118px;margin:0;padding:0;}
   #product1{position:absolute;top:118px;margin:0;padding:0;}
   #product2{position:absolute;top:118px;margin:0;padding:0;}
   #product3{position:absolute;top:118px;margin:0;padding:0;}
   #downall li,#product li,#product1 li,#product3 li,#product2 li{ float:none}
   #downall li a,#product li a,#product1 li a,#product3 li a,#product2 li a{ width:130px; height:24px;border-bottom:1px dotted #818488; display:block; font:12px/24px "微软雅黑", "宋体";color:#fff; }
    #downall a:link,#downall a:visited,#product a:link,#product a:visited,#product1 a:link,#product1 a:visited,#product2 a:link,#product2 a:visited,#product3 a:link,#product3 a:visited{text-decoration:none;background:#3f4249}
    #downall a:hover,#downall a:active,#product a:hover,#product a:active,#product1 a:hover,#product1 a:active,#product2 a:hover,#product2 a:active,#product3 a:hover,#product3 a:active{font: bold 12px/24px "微软雅黑","宋体"; background: url(http://www.p.cn/img/navbg2.jpg) repeat-x;}
</style>
<script language="javascript">
// JavaScript Document
function $(s) {
  return document.getElementById(s)?document.getElementById(s):s;
}
function findPosX(obj)
{
  var curleft = 0;
  if (obj.offsetParent)
  {
    while (obj.offsetParent)
    {
      curleft += obj.offsetLeft
      obj = obj.offsetParent;
    }
  }
  else if (obj.x)
    curleft += obj.x;
  return curleft;
}
function findPosY(obj)
{
  var curtop = 0;
  if (obj.offsetParent)
  {
    while (obj.offsetParent)
    {
      curtop += obj.offsetTop
      obj = obj.offsetParent;
    }
  }
  else if (obj.y)
    curtop += obj.y;
  return curtop;
}
var currPcnNav=null;
function pcnNav(o){
 var offLeft = findPosX(o);
 var offTop = findPosY(o);
 var arrNav=document.getElementById(</div></div>

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