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在网页上设计飘动广告

把下面的代码加入之间:

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 Elorer")!=-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)

{

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=pageX+pageW-chip.w)

{

chip.xx=pageX+pageW-chip.w;

chip.vx=-vmin-vmax*Math.random();

}

if(chip.yy=pageY+pageH-chip.h)

{

chip.yy=pageY+pageH-chip.h;

chip.vy=-vmin-vmax*Math.random();

}

if(!mie)

{

eval("document."+chip.named+".top ="+chip.yy);

eval("document."+chip.named+".left="+chip.xx);

}

else

{

eval("document.all."+chip.named+".style.pixelLeft="+chip.xx);

eval("document.all."+chip.named+".style.pixelTop ="+chip.yy);

}

chip.timer1=setTimeout("movechip(""+chip.named+"")",100);

}

}

function stopme(chipname)

{

if(brOK)

{//alert(chipname)

eval("chip="+chipname);

if(chip.timer1!=null)

{

clearTimeout(chip.timer1);

}

}

}

var floater;

function floater()

{

checkbrOK();

floater=new Chip("floater",0,0);

if(brOK)

{

movechip("floater");

}

}

把下面的代码加入...之间:

这里你可以改成自己要的图片路径.

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