分享一个，Js演示版。
漂浮广告专用的代码，复制到网页中即可使用，具体参考如下的例子。
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<html>
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<head>
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<title>漂浮广告代码</title>
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</head>
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<body>
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<div id="img" style="position:absolute;z-index=99;">
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<img src="/jscss/demoimg/logo_demo1.gif" onClick="pause_resume();" border="0" alt='img' width=100 height="100">
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</div>
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<SCRIPT LANGUAGE="JavaScript">
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<!-- Begin
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var xPos = document.body.offsetWidth;
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var yPos = document.body.clientHeight/2;
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var step = 1;
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var delay = 50;
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var height = 0;
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var Hoffset = 0;
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var Woffset = 0;
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var yon = 0;
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var xon = 0;
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var pause = true;
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var interval;
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img.style.top = yPos;
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alert(xPos)
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function changePos() {
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width = document.body.clientWidth;
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height = document.body.clientHeight;
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Hoffset = img.offsetHeight;
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Woffset = img.offsetWidth;
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img.style.left = xPos + document.body.scrollLeft;
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img.style.top = yPos + document.body.scrollTop;
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if (yon) {
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yPos = yPos + step;
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}else {
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yPos = yPos - step;
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}
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if (yPos < 0) {
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yon = 1;
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yPos = 0;
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}
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if (yPos >= (height - Hoffset)) {
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yon = 0;
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yPos = (height - Hoffset);
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}
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if (xon) {
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xPos = xPos + step;
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}else {
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xPos = xPos - step;
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}
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if (xPos < 0) {
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xon = 1;
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xPos = 0;
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}
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if (xPos >= (width - Woffset)) {
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xon = 0;
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xPos = (width - Woffset);
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}
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}
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function start() {
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img.visibility = "visible";
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interval = setInterval('changePos()', delay);
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}
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function pause_resume() {
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if(pause) {
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clearInterval(interval);
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pause = false;
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}else {
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interval = setInterval('changePos()',delay);
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pause = true;
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}
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}
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start();
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// End -->
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</script>
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</body>
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</html>
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