图片自由运动

来源：互联网发布：江苏省教育局官网通知编辑：程序博客网时间：2024/05/05 02:01

<SCRIPT LANGUAGE="JavaScript">
<!--
var wwidth, wheight;
var ydir = '++';
var xdir = '++';
var x = 1;
var y = 1;

function getwindowsize() {

wwidth = document.body.clientWidth - 55;
wheight = document.body.clientHeight - 50;

setTimeout('randomdir()', 20000);
restarte();
}

function restarte() {
eval('x'+xdir);
eval('y'+ydir);
document.all.pic1.style.pixelLeft = x+document.body.scrollLeft;
document.all.pic1.style.pixelTop = y+document.body.scrollTop;

if (document.all.pic1.style.pixelTop <= 5+document.body.scrollTop) ydir = '++';
if (document.all.pic1.style.pixelTop >= wheight+document.body.scrollTop) ydir = '--';
if (document.all.pic1.style.pixelLeft >= wwidth+document.body.scrollLeft) xdir = '--';
if (document.all.pic1.style.pixelLeft <= 5+document.body.scrollLeft) xdir = '++';

setTimeout('restarte()', 30);
}
//-->
</script>
<div id="pic1" style="position:absolute; visibility:visible; left:0px; top:0px; z-index:-1">
<img src="4.jpg" border="0">
</div>
<body OnLoad="getwindowsize()" OnResize="getwindowsize()">