当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 关于Blog顶部的滚动导航条代码

Javascript
javascript 新浪背投广告实现代码
javascript 选择文件夹对话框(web)
JS 自动完成 AutoComplete(Ajax 查询)
javascript scrollLeft,scrollWidth,clientWidth,offsetWidth 完全详解
jQuery 插件开发 其实很简单
最简单的jQuery程序 入门者学习
javascript 读取xml,写入xml 实现代码
JQuery 实现的页面滚动时浮动窗口控件
javascript 动态加载 css 方法总结
javascript 表格左右收缩
jqurey 学习笔记 传智博客佟老师附详细注释
javascript dom 操作详解 js加强
JS 动态添加列表框项效果代码
Javascript 事件流和事件绑定
Google Map Api和GOOGLE Search Api整合实现代码
9个javascript语法高亮插件 推荐
Prototype String对象 学习
javascript ImgBox透明遮罩层背景图片展示
javascript FAQ函数(提问+回复)
jQuery TextBox自动完成条

Javascript 中的 关于Blog顶部的滚动导航条代码


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 184 ::
收藏到网摘: n/a

不少朋友通过各种方式问我要 Blog 顶部的滚动导航菜单的代码。其实也没什么特别的,但既然有需求,我就还是把这部分代码整理出来,供大家参考。
复制代码 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>
<TITLE>Float Div</TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
#zealNavigatorBar {
position: absolute;
z-index: 100;
width: 760px;
height: 32px;
line-height: 32px;
top: 0px;
left: 0px;
padding: 0px;
margin: 0px;
border-bottom:1px solid #646465;
background-color: #C0C0C3;
}
</style>
</HEAD>
<BODY>
<div id=zealNavigatorBar>
<a href="/">Anything here</a>
<a href="/">Anything here</a>
<a href="/">Anything here</a>
</div>
<script language="JavaScript">
for(var t=0;t<1000;t++) document.writeln('Test content: line '+t+'<br />');
</script>
<script language="JavaScript">
var g_myBodyInstance = document.body;
var g_myBodyInstanceString = "document.body";
if(document.compatMode != "BackCompat"){
// for looser.dtd
g_myBodyInstance = document.documentElement;
g_myBodyInstanceString = "document.documentElement";
}
var isMinNS4 = (navigator.appName.indexOf("Netscape") >= 0 &&
parseFloat(navigator.appVersion) >= 4) ? 1 : 0;
var isMinNS5 = (navigator.appName.indexOf("Netscape") >= 0 &&
parseFloat(navigator.appVersion) >= 5) ? 1 : 0;
var isMinIE4 = (document.all) ? 1 : 0;
var isMinIE5 = (isMinIE4 && navigator.appVersion.indexOf("5.") >= 0) ? 1 : 0;
var isMacIE = (isMinIE4 && navigator.userAgent.indexOf("Mac") >= 0) ? 1 : 0;
var getFFVersion=navigator.userAgent.substring(
navigator.userAgent.indexOf("Firefox")).split("/")[1];
//extra height in px to add to iframe in FireFox 1.0+ browsers
var FFextraHeight=getFFVersion<1.5? 16 : 0;

function getLayer(name) {
if (isMinNS5)
return document.getElementById(name);
else if (isMinIE4)
return eval('document.all.' + name);
else if (isMinNS4)
return findLayer(name, document);
return null;
}
function findLayer(name, doc) {
var i, layer;
for (i = 0; i < doc.layers.length; i++) {
layer = doc.layers[i];
if (layer.name == name)
return layer;
if (layer.document.layers.length > 0) {
layer = findLayer(name, layer.document);
if (layer != null)
return layer;
}
}
return null;
}
function moveLayerTo(layer, x, y) {
if (isMinIE4) {
layer.style.left = x;
layer.style.top = y;
}
else if (isMinNS5) {
layer.style.left = x+'px';
layer.style.top = y+'px';
}
else if (isMinNS4)
layer.moveTo(x, y);
}
function getPageLeft(layer) {
if (isMinIE4||isMinNS5)
return(layer.offsetLeft);
else if (isMinNS4)
return(layer.pageX);
return(-1);
}
function getPageTop(layer) {
if (isMinIE4||isMinNS5)
return(layer.offsetTop);
else if (isMinNS4)
return(layer.pageY);
return(-1);
}
function getPageScrollX() {
if (isMinIE4||isMinNS5)
return(g_myBodyInstance.scrollLeft);
else if (isMinNS4)
return(window.pageXOffset);
return(-1);
}
function getPageScrollY() {
if (isMinIE4||isMinNS5)
return(g_myBodyInstance.scrollTop);
else if (isMinNS4)
return(window.pageYOffset);
return(-1);
}
var g_p_zealNavigatorBar = null;
g_p_zealNavigatorBar = getLayer('zealNavigatorBar');
if(!isMinIE4){g_p_zealNavigatorBar.style.position = 'fixed';}
function reposzealNavigatorBar(){
if(isMinIE4){
try{
moveLayerTo(g_p_zealNavigatorBar,
getPageLeft(g_p_zealNavigatorBar),
getPageScrollY());
}catch(e){}
}
}
window.onresize = reposzealNavigatorBar;
window.onscroll = reposzealNavigatorBar;
window.onload = reposzealNavigatorBar;
</script>
</BODY>
</HTML>