网页特效的问题

来源：百度知道 编辑：UC知道 时间：2024/05/13 15:59:11
我想找一种特效 是可以把一张图片来回动的

<div id="helpor_net" style="position:absolute; visibility:visible; left:0px; top:0px; z-index:-1">
<img src="http://code.helpor.net/picture/swimming.gif" border="0">
</div>
<SCRIPT LANGUAGE="JavaScript">
<!--
var isNS = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4));
var _all = '';
var _style = '';
var wwidth, wheight;
var ydir = '++';
var xdir = '++';
var id1, id2, id3;
var x = 1;
var y = 1;
var x1, y1;
if(!isNS) {
_all='all.';
_style='.style';
}
function www_helpor_net() {
clearTimeout(id1);
clearTimeout(id2);
clearTimeout(id3);
if (isNS) {
wwidth = window.innerWidth - 55;
wheight = window.innerH