把下面的代码加入<head>...</head>之间：
var brOK=false;
var mie=false;
var aver=parseInt(navigator.appVersion.substring(0,1));
var aname=navigator.appName;
//check browser
function checkbrOK()
{
if(aname.indexOf("Internet Explorer")!=-1)
{
if(aver>=4)
brOK=navigator.javaEnabled();
mie=true;
}
if(aname.indexOf("Netscape")!=-1)
{
if(aver>=4)
brOK=navigator.javaEnabled();
}
}
var vmin=5;
var vmax=2;
var vr=2;
var timer1;
function Chip(chipname,width,height)
{
this.named=chipname;
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 movechip(chipname)&nbs[1] [2] [3] [4] 下一页
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