鼠标跟随之四

1.将下面的代码复制到 <head> 内

2.将下面的代码复制到 <body> 内

/*
Document crosshair Script- 
By Dynamic Drive (www.dynamicdrive.com)
For full source code, installation instructions,
100's more free DHTML scripts, and Terms Of
Use, visit dynamicdrive.com
*/

if (document.all&&!window.print){
leftright.style.width=document.body.clientWidth-2
topdown.style.height=document.body.clientHeight-2
}
else if (document.layers){
document.leftright.clip.width=window.innerWidth
document.leftright.clip.height=1
document.topdown.clip.width=1
document.topdown.clip.height=window.innerHeight
}

function followmouse1(){
//move cross engine for IE 4+
leftright.style.pixelTop=document.body.scrollTop+event.clientY+1
topdown.style.pixelTop=document.body.scrollTop
if (event.clientX<document.body.clientWidth-2)
topdown.style.pixelLeft=document.body.scrollLeft+event.clientX+1
else
topdown.style.pixelLeft=document.body.clientWidth-2
}

function followmouse2(e){
//move cross engine for NS 4+
document.leftright.top=e.y+1
document.topdown.top=pageYOffset
document.topdown.left=e.x+1
}

if (document.all)
document.onmousemove=followmouse1
else if (document.layers){
window.captureEvents(Event.MOUSEMOVE)
window.onmousemove=followmouse2
}

function regenerate(){
window.location.reload()
}
function regenerate2(){
setTimeout("window.onresize=regenerate",400)
}
if ((document.all&&!window.print)||document.layers)
//if the user is using IE 4 or NS 4, both NOT IE 5+
window.onload=regenerate2

//-->
</script>