額,老東西了,用JS寫小廣告

<html>
<head>
    <title>漂浮廣告</title>
<body>
<div id="codefans_net" style="position:absolute">
    <!--連接地址--><a href="#" target="_blank">
    <!--圖片地址--><img src="/images/logo.gif" border="0">
</a>
</div>
<script>
    var x = 50,y = 60
    var xin = true, yin = true
    var step = 1
    var delay = 10
    var obj=document.getElementById("codefans_net")
    function float() {
        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("float()", delay)
    obj.onmouseover=function(){clearInterval(itl)}
    obj.onmouseout=function(){itl=setInterval("float()", delay)}
</script>
</body>
</html>html

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