仿msn,qq窗体震动的层抖动效果 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Language" content="zh-cn" />

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<meta name="robots" content="all" />

<title>仿msn,qq窗体震动的层抖动效果</title>

<style type="text/css">

#body{text-align:center;}

#test{width:325px; height:235px; position:absolute; margin:20px auto; border:2px dotted red; text-align:center}

</style>

</head>

<body>

<div style="margin:10px 200px">

 <div>
  <input type="button" value="开始抖动" onclick="nn.start()" />

  <input type="button" value="停止抖动" onclick="nn.stop()" />

  <font color="red" size="2">当然也可以设置时间，抖动多少毫秒后自动停止抖动</font>
 </div>

 <div id="test">

  <br>

  <img border="0" width="300" height="200"  src="image.jpg"></div>

</div>

</body>

</html>

<script type="text/javascript">

 var m=document.getElementById("test");

function SKclass (obj,Rate,speed) {

  var oL=obj.offsetLeft;

  var oT=obj.offsetTop;

  this.stop=null;

  this.oTime=null;

  var om=this;

  this.start=function(){

    if(parseInt(obj.style.left)==oL-2){

    obj.style.top=oT+2+"px";

    setTimeout(function(){obj.style.left=oL+2+"px"},Rate)

    }

    else{

    obj.style.top=oT-2+"px";

    setTimeout(function(){obj.style.left=oL-2+"px"},Rate)

   }

  this.oTime=setTimeout(function(){om.start()},speed);

  }

  this.stop=function(){

    clearTimeout(this.oTime);

  }

}

var nn=new SKclass(m,20,70);

</script>
posted @ 2011-02-17 10:41  Anrai  阅读(327)  评论(0)  编辑  收藏  举报