标签：
<body> <div id="one" style="background:red;position:absolute;left:0;top:0;width:100px;height:100px;">我是广告</div> <script> var x=0; var y=0; var xs=10; var ys=10; var one=document.getElementById("one"); function move(){ x+=xs; y+=ys; if(x >= document.body.clientWidth-one.offsetWidth-20 || x <=0 ){ xs=-1*xs; } if(y >= document.body.clientHeight-one.offsetHeight-20 || y <=0){ ys=-1*ys; } one.style.left=x; one.style.top=y; } var dt=setInterval("move()",100); one.onmouseover=function(){ clearInterval(dt); } one.onmouseout=function(){ dt=setInterval("move()", 100); } </script> </body>
标签：
原文地址：http://www.cnblogs.com/hnbiao/p/4666248.html
