Js验证Email电话

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js" charset="utf-8"></script>
<form method="post" action="http://mail.163.com" id="myform" >
        <input type="text" name="email">
        <input type="text" name="tel">
        <input type="submit">
</form>
<script type="text/javascript">
$(document).ready(function(){
        $("form:first").submit(function(){
                var email = $("input[name='email']").val();
                var tel = $("input[name='tel']").val();
                var reMail = /^(?:[a-z\d]+[_\-\+\.]?)*[a-z\d]+@(?:([a-z\d]+\-?)*[a-z\d]+\.)+([a-z]{2,})+$/i;
                var reTel=/(^[0-9]{3,4}\-[0-9]{3,8}$)|(^[0-9]{3,8}$)|(^\([0-9]{3,4}\)[0-9]{3,8}$)|(^0{0,1}13[0-9]{9}$)/; 
                if(!reMail.test(email)){
                        alert('Email格式不正确.');
                        return false;
                }
                if(!reTel.test(tel)){
                        alert('电话格式不正确.');
                        return false;
                }
        });
});
</script>