把下面的代码加入...之间：varbrOK=false;varmie=false;varaver=parseInt(navigator.appVersion.substring(0,1));varaname=navigator.appName;//checkbrowserfunctioncheckbrOK(){if(aname.indexOf("InternetExplorer")!=-1){if(aver>=4)brOK=navigator.javaEnabled();mie=true;}if(aname.indexOf("Netscape")!=-1){if(aver>=4)brOK=navigator.javaEnabled();}}varvmin=5;varvmax=2;varvr=2;vartimer1;functionChip(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;}functionmovechip(chipname){if(brOK){eval("chip="+chipname);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;}chip.xx=chip.xx+chip.vx;chip.yy=chip.yy+chip.vy;chip.vx+=vr*(Math.random()-0.5);chip.vy+=vr*(Math.random()-0.5);if(chip.vx>(vmax+vmin))chip.vx=(vmax+vmin)*2-chip.vx;if(chip.vx(vmax+vmin))chip.vy=(vmax+vmin)*2-chip.vy;if(chip.vy