在线关于下拉菜单的处理
日期：2014-05-16 浏览次数：20495 次
在线求一个关于下拉菜单的处理
页面代码如下:
<!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=gb2312 " />
<style type= "text/css ">
<!--
*{margin:0;padding:0;border:0;}
body {
font-family: arial, 宋体, serif;
font-size:12px; background:#eee;
}
#nav {
line-height: 24px; list-style-type: none; background:#666; width:100%
}
#nav a {
display: block; width: 90px; text-align:center;background:#666;
}
#nav a:link {
color:#ffffff; text-decoration:none;
}
#nav a:visited {
color:#ffffff;text-decoration:none;
}
#nav a:hover {
color:#FFF;text-decoration:none;font-weight:bold;
}
#nav li {
float: left; width: auto; background:#E9EBED;
}
#nav li a:hover{
background:#999;
}
#nav li ul {
line-height: 27px; list-style-type: none;text-align:left;
left: -999em; width: 1280px; position: absolute; float:left;color:#fff; background: #E9EBED;
}
#nav li ul li{
float: left; width: auto;
background: #E9EBED;
}
#nav li ul a{
display: block; width: auto;text-align:center;color:#fff;background: #E9EBED;
}
#nav li ul a:link {
color:#666;text-decoration:none;background: #E9EBED;
}
#nav li ul a:visited {
color:#666;text-decoration:none;background: #E9EBED;
}
#nav li ul a:hover {
color:#666;text-decoration:underline;font-weight:normal;background: #E9EBED;
}
#nav li:hover ul {
left: 0;background: #E9EBED;
}
#nav li.sfhover ul {
left: 0;background: #E9EBED;
}
#content {
clear: left;
}
-->
</style>
<script type=text/javascript>
function menuFix() {
var sfEls = document.getElementById( "nav ").getElementsByTagName( "li ");
for (var i=0; i <sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=(this.className.length> 0? " ": " ") + "sfhover ";
}
sfEls[i].onMouseDown=function() {
this.className+=(this.className.length> 0? " ": " ") + "sfhover ";
}
sfEls[i].onMouseUp=function() {
this.className+=(this.className.length> 0? " ": " ") + "sfhover ";
}
sfEls[i].onmou
页面代码如下:
<!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=gb2312 " />
<style type= "text/css ">
<!--
*{margin:0;padding:0;border:0;}
body {
font-family: arial, 宋体, serif;
font-size:12px; background:#eee;
}
#nav {
line-height: 24px; list-style-type: none; background:#666; width:100%
}
#nav a {
display: block; width: 90px; text-align:center;background:#666;
}
#nav a:link {
color:#ffffff; text-decoration:none;
}
#nav a:visited {
color:#ffffff;text-decoration:none;
}
#nav a:hover {
color:#FFF;text-decoration:none;font-weight:bold;
}
#nav li {
float: left; width: auto; background:#E9EBED;
}
#nav li a:hover{
background:#999;
}
#nav li ul {
line-height: 27px; list-style-type: none;text-align:left;
left: -999em; width: 1280px; position: absolute; float:left;color:#fff; background: #E9EBED;
}
#nav li ul li{
float: left; width: auto;
background: #E9EBED;
}
#nav li ul a{
display: block; width: auto;text-align:center;color:#fff;background: #E9EBED;
}
#nav li ul a:link {
color:#666;text-decoration:none;background: #E9EBED;
}
#nav li ul a:visited {
color:#666;text-decoration:none;background: #E9EBED;
}
#nav li ul a:hover {
color:#666;text-decoration:underline;font-weight:normal;background: #E9EBED;
}
#nav li:hover ul {
left: 0;background: #E9EBED;
}
#nav li.sfhover ul {
left: 0;background: #E9EBED;
}
#content {
clear: left;
}
-->
</style>
<script type=text/javascript>
function menuFix() {
var sfEls = document.getElementById( "nav ").getElementsByTagName( "li ");
for (var i=0; i <sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=(this.className.length> 0? " ": " ") + "sfhover ";
}
sfEls[i].onMouseDown=function() {
this.className+=(this.className.length> 0? " ": " ") + "sfhover ";
}
sfEls[i].onMouseUp=function() {
this.className+=(this.className.length> 0? " ": " ") + "sfhover ";
}
sfEls[i].onmou
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