<html>
<title>指定时间内消失的图片</title>
<body>
<SCRIPT language=JavaScript>
<!-- Hide the script from old browsers --
// 1) 做一个88*31的LOGO。
if (document.images)
var staticlogo=new Image(758,100)
// 2) 设置LOGO的路径。
staticlogo.src="/images/banner.gif"
// 3) 以下是LOGO代表的连接。
var logolink="http://wwwww.jb51.net/"
// 4) 设置ALT属性。
var alttext="代码家园"
// 5) 设置下列属性为 1或者0(1是IE特有的，使LOGO隐现）
var fadeintoview=1
/* 6) 最后设置LOGO显示的时间，例如12 秒，数值为0表示一直显示
*/
var visibleduration=5
function regenerate(){
window.location.reload()
}
function regenerate2(){
if (document.layers)
setTimeout("window.onresize=regenerate",400)
}
var fadeset=''
if (fadeintoview)
fadeset="filter:alpha(opacity=0)"
if (document.all)
document.write('<span id="logo"" style="'+fadeset+';position:absolute;top:100;width:'+staticlogo.width+';height:'+staticlogo.height+'"></span>')
function bringintoview(){
if (logo.filters.alpha.opacity<=95)
logo.filters.alpha.opacity+=5
else{
clearInterval(viewit)
if (visibleduration!=0)
setTimeout("logo.style.visibility='hidden'",visibleduration*1000)
}
}
function createlogo(){
staticimage=new Layer(100)
staticimage.left=-300
staticimage.top=120
staticimage.document.write('<a href="'+logolink+'"><img src="'+staticlogo.src+'" border=0 alt="'+alttext+'"></a>')
staticimage.document.close()
staticimage.visibility="show"
regenerate2()
staticitns()
}
if (document.layers)
window.onload=createlogo;
if (document.all){
w=2
h=2
logo.style.left=w
logo.style.top=h
}
function logoit(){
var w2=document.body.scrollLeft+w
var h2=document.body.scrollTop+h
logo.style.left=w2
logo.style.top=h2
}
function logoit2(){
staticimage.left=pageXOffset+2
staticimage.top=pageYOffset+2
}
function insertimage(){
logo.innerHTML='<a href="'+logolink+'"><img src="'+staticlogo.src+'" border=0 alt="'+alttext+'"></a>'
if (fadeintoview)
viewit=setInterval("bringintoview()",100)
else{
if (visibleduration!=0)
setTimeout("logo.style.visibility='hidden'",visibleduration*1000)
}
}
if (document.all){
window.onscroll=logoit
window.onresize=new Function("window.location.reload()")
window.onload=insertimage
}
function staticitns(){
setInterval("logoit2()",90)
if (visibleduration!=0)
setTimeout("staticimage.visibility='hide'",visibleduration*1000)
}
//-->
</SCRIPT>
</body>
</html>
<br>
<br>
<br>
<br>
<br>
<br>图片5秒之后自动消失。
<br>
<br>
<br>
