模拟Windows进度条
第一步：
在<head>区添加以下代码：
<style>
<!--
#bar, #barbackground{
position:absolute;
left:0;
top:0;
background-color:blue;
}
#barbackground{
background-color:black;
}
-->
</style>
<script language="JavaScript1.2">
/*****************************************************
* Share JavaScript (http://www.ShareJS.com)
* 使用此脚本程序，请保留此声明
* 获取此脚本以及更多的JavaScript程序，请访问 http://www.ShareJS.com
******************************************************/
//1) Set the duration for the progress bar to complete loading (in seconds)
var duration=5
//2) Set post action to carry out inside function below:
function postaction(){
//Example action could be to navigate to a URL, like following:
//window.location="http://www.dynamicdrive.com"
}
///Done Editing/////////////
var clipright=0
var widthIE=0
var widthNS=0
function initializebar(){
if (document.all){
baranchor.style.visibility="visible"
widthIE=bar.style.pixelWidth
startIE=setInterval("increaseIE()",50)
}
if (document.layers){
widthNS=document.baranchorNS.document.barbackgroundNS.clip.width
document.baranchorNS.document.barNS.clip.right=0
document.baranchorNS.visibility="show"
startNS=setInterval("increaseNS()",50)
}
}
function increaseIE(){
bar.style.clip="rect(0 "+clipright+" auto 0)"
window.status="Loading..."
if (clipright<widthIE)
clipright=clipright+(widthIE/(duration*20))
else{
window.status=''
clearInterval(startIE)
postaction()
}
}
function increaseNS(){
if (clipright<202){
window.status="Loading..."
document.baranchorNS.document.barNS.clip.right=clipright
clipright=clipright+(widthNS/(duration*20))
}
else{
window.status=''
clearInterval(startNS)
postaction()
}
}
window.onload=initializebar
</script>
第二步：
在<body>区添加以下代码
<script language="JavaScript1.2">
/*****************************************************
* Share JavaScript (http://www.ShareJS.com)
* 使用此脚本程序，请保留此声明
* 获取此脚本以及更多的JavaScript程序，请访问 http://www.ShareJS.com
******************************************************/
if (document.all){
document.write('<div id="baranchor" style="position:relative;width:200px;height:20px;visibility:hidden;">')
document.write('<div id="barbackground" style="width:200px;height:20px;z-index:9"></div>')
document.write('<div id="bar" style="width:200px;height:20px;z-index:10"></div>')
document.write('</div>')
}
</script>
<ilayer name="baranchorNS" visibility="hide" width=200 height=20>
<layer name="barbackgroundNS" bgcolor=black width=200 height=20 z-index=10 left=0 top=0></layer>
<layer name="barNS" bgcolor=blue width=200 height=20 z-index=11 left=0 top=0></layer>
</ilayer>
