到处乱飘的飘浮广告

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<title>到处乱飘的广告</title>

</head>

<body>

</div>

</a>

</div>

function closePiaofu(){

document.getElementById("piaofu").style.display = "none";

}

var x = 50,y = 160;

var xin = true, yin = true;

var step = 0.8;

var delay = 10;

var obj=document.getElementById("piaofu");

function piaofu(){

var L=T=0

var R = document.body.clientWidth-obj.offsetWidth;

var B = document.body.clientHeight-obj.offsetHeight;

obj.style.left = x + document.body.scrollLeft;

obj.style.top = y + document.body.scrollTop;

x = x + step*(xin?1:-1)

if (x < L){ xin = true; x = L;}

if (x > R){ xin = false; x = R;}

y = y + step*(yin?1:-1);

if (y < T) { yin = true; y = T; }

if (y > B) { yin = false; y = B; }

}

var itl = setInterval("piaofu()", delay);

obj.onmouseover=function(){clearInterval(itl)}

obj.onmouseout=function(){itl=setInterval("piaofu()", delay)}

</script>

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