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js 进度条代码

2010-05-14 15:30 232 查看
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>loading</title>
</head>
<style>
<!--
#bar, #barbackground{
position:absolute;
left:0;
top:0;
background-color:blue;
}

#barbackground{
background-color:black;
}

-->
</style>

<script language="JavaScript1.2">

var duration=5

function postaction(){

document.all.baranchor.style.visibility="hidden"
document.all.percent.style.visibility="hidden"
document.location.href="http://www.tom.com"
}

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));
document.all.percent.innerHTML="<center><font color=red>"+clipright/2 + "%</font></center>"
}
else{
window.status='成功登入'
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>
<body>
<script language="JavaScript1.2">

if (document.all){
document.write('<div id="baranchor" style="position:relative;width:200px;height:20px;visibility:hidden;left:300;top:150;">')
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>')
document.write('<div id="percent" style="position:relative;width:200px;height:20px;visibility:visible;left:390;top:150"></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>
</body>
</html>
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