<!DOCTYPE HTML>

<html>

<head>

<title>QSL 社区闪动提示</title>

<style>

    *{ margin:0; padding:0;}

    body{ background:#fff; font-family:Arial, Helvetica, sans-serif; background:#f9f9f9; font-size:14px; color:#333;}

    .main{ width:600px; background:#fff; margin:0 auto; padding:20px 0; border:solid #ddd; border-width:0 1px; min-height:800px;}

    .box{ width:240px; height:26px; line-height:26px; background:#f0f0f0; border:1px solid #ddd; text-align:center; font-size:14px; margin:20px auto;}

    input.box{ width:240px; font-weight:900; color:#999; display:block; background:#fff; text-align:left;}

    .red{ border:1px solid #d00; background:#ffe9e8; color:#d00;}

    input.red{background:#ffe9e8;}

    #box1{ cursor:pointer;}

    .des{ margin:0 20px; padding:6px; line-height:20px; border:1px solid #ccc; color:#555;}

</style>

<script type="text/javascript" src="http://www.codefans.net/ajaxjs/jquery-1.4.2.min.js"></script>

<script>

    function shake(ele,cls,times){

            var i = 0,t= false ,o =ele.attr("class")+" ",c ="",times=times||2;

            if(t) return;

            t= setInterval(function(){

                i++;

                c = i%2 ? o+cls : o;

                ele.attr("class",c);

                if(i==2*times){

                    clearInterval(t);

                    ele.removeClass(cls);

                    }

                },200);

            };

    $(function(){

        //domready 就闪动

        shake($("#box"),"red",3);

        //点击闪动

        $("#box1").bind({

            click:function(){

                shake($(this),"red",3);

                return false;

                }

            });

        //通不过mail校验闪动

        $("#mail").blur(

            function(){

                 if(!/^w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*/.test($(this).val())) {

                        shake($(this),"red",3);

                    }

                }

            );

        });

</script>

</head>

 <body>

 <div class="main">

    <p class="des">闪动提示，可以用于错误提示或其他吸引用户注意力的场合 <br>

        shake(ele,cls,times)<br>

        ele : jQuery Object [object]  要闪动的元素<br>

        cls : Class Name [string] 闪动的类<br>

        times : Number [Number] 闪动几次

    </p>

<div id="box" class="box">打开就闪动</div><div id="box1" class="box">点击就闪动</div>

<input class="box" type="email" id="mail" placeholder="不是email地址就闪动" />

</div>

</body>

</html>