<!-- http://www.knowsky.com --> <!-- bbs http://bbs.knowsky.com --> <!--要完成此效果需要两个步骤 第一步：把如下代码加入到<head>区域中--> <script type="text/javascript"> var x=0,y=0,w=200,h=100, dx=5,dy=5, interval=100 var win=null; var intervalID; function startIt() { win=window.open('javascript:"http://www.knowsky.com"',"","width=" w ",height=" h) win.moveTo(x,y) intervalID = window.setInterval("bounce()",interval) } var running=false; var close=false; function bounce() { running=true if (win.closed) { clearInterval(intervalID) running=false return } if ((x dx>(500-w)) || (x dx<0))dx=-dx if ((y dy>(500-h)) || (y dy<0))dx=-dy x =dx y =dy win.moveTo(x,y) if (close) { win.close() clearInterval(intervalID) } } function closeWin() { if (running) close=true } </script> <!--第二步：把如下代码加入到<body>区域中--> <p><a href="#" onMousedown='startIt()'>显示窗口</a></p> <p> <a href="#" onMousedown='closeWin()'>关闭窗口</a></p>
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