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我照着教程上编写好的,基本错误都排除了,可是就是不动啊,真是急死人了,高手VS前辈们快快支点招把,小弟先行谢过了!!!!
这是源文档:
<html>
<head>
<title>前景动画</title>
</head>
<script language="javascript" type="text/javascript">
<!--
var brOK=false;
var mie=false; //判断是否是IE
var aver=parseInt(navigator.appVersion.substring(0,1));
var aname=navigator.appName;
function checkbrOK()
{
if(aname.indexOf("Internet Explorer")!=-1)
{
if(aver>=4)
brOK=navigator.javaEnabled(); //浏览器版本以大于等于4.0
mie=true; //浏览器时IE
}
if(aname.indexOf("Netscape")!=-1)
{
if(aver>=4)
brOK=navigator.javaEnabled();
}
}
var vmin=2;
var vmax=5;
var vr=2;
var timer1;
function Obj(objname,width,height) //定义一个对象Obj
{
this.named=objname;
this.vx=vmin+vmax*Math.random();
this.vy=vmin+vmax*Math.random();
this.w=width;
this.h=height;
this.xx=0;
this.yy=0;
this.timer1=null;
}
function moveobj(objname)
{
if(brOK)
{
eval("obj="+objname);
if(!mie)
{
pageX=window.pageXOffset;
pageW=window.innerWidth;
pageY=window.pageYOffset;
pageH=window.innerHeight;
}
else
{
pageX=window.document.body.scrollLeft;
pageW=window.document.body.offsetWidth-8;
pageY=window.document.body.scrollTop;
pageH=window.document.body.offsetHeight;
}
obj.xx=obj.xx+obj.vx;
obj.yy=obj.yy+obj.vy;
obj.vx+=vr*(Math.random()-0.5);
obj.vy+=vr*(Math.random()-0.5);
if(obj.vx>(vmax+vmin)) obj.vx=(vmax+vmin)*2-obj.vx;
if(obj.vx<(-vmax-vmin)) obj.vx=(-vmax-vmin)*2-obj.vx;
if(obj.vy>(vmax+vmin)) obj.vy=(vmax+vmin)*2-obj.vy;
if(obj.vy<(-vmax-vmin)) obj.vy=(-vmax-vmin)*2-obj.vy;
if(obj.xx<=pageX)
{
obj.xx=pageX;
obj.vx=vmin+vmax*Math.random();
}
if(obj.xx>=pageX+pageW-obj.w)
obj.xx=pageX+pageW-obj.w;
obj.vx=-vmin-vmax*Math.random();
}
if(obj.yy<=pageY)
{
obj.yy=pageY;
obj.vy=vmin+vmax*Math.random();
}
if(obj.yy>=pageY+pageH-obj.h)
{
obj.yy=pageY+pageH-obj.h;
obj.vy=-vmin-vmax*Math.random();
}
if(!mie)
{
eval('document.'+obj.named+'.top='+obj.yy);
eval('document.'+obj.named+'.left='+obj.xx);
}
else
{
eval('document.all.'+obj.named+'.style.pixelLeft='+obj.xx);
eval('document.all.'+obj.named+'.style.pixelTop='+obj.yy);
}
obj.timer1=setTimeout("moveobj('"+obj.named+"')",100);
}
}
function stopme(objname)
{
if(brOK)
{
eval("obj="+objname);
if(obj.timer1!=null) clearTimeout(obj.timer1)
}
}
var obj1;
function pagestart()
{
checkbrOK();
obj1=new Obj("obj1",60,80);
if(brOK)
moveobj("obj1");
}
//-->
</script>
<body onLoad="pagestart();" onUnload="if(brOK) stopme('obj1');">
<div id="obj1" style="position:absolute; width:110; height:76">
<dd><a href="advertisement.html"><img src="14_10418_75522c74890acd8.gif" width="64" height="54" border="0"></a></dd>
</div>
<h2 align="center">前景动画</h2>
<p>正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文正文
</p>
</body>
</html> |
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