[求助]动态网页编写图片渐入渐出效果怎么实现? - 编程论坛

bygg2008-12-07 19:54

<html>
<head><title>jpg Test</title></head>
<body onLoad="fade()">
<img src="./images/test.jpg" name="u" border=0
alt="Image" style="filter:alpha(opacity=0)">
<script language="JavaScript">

var b = 1;
var c = true;

function fade(){
if(document.all);

if(c == true) {
b++;
}
if(b==100) {
b--;
c = false
}

if(b==10) {
b++;
c = true;
}

if(c == false) {
b--;
}
u.filters.alpha.opacity=0 + b;
setTimeout("fade()",50);
}
</script>
</body>
</html>