电话号码

<script type="text/javascript">
        var partterRelation = /(^[0-9]{3,4}\-[0-9]{7,8}$)|(^[0-9]{7,8}$)|(^\([0-9]{3,4}\)[0-9]{3,8}$)|(^0{0,1}13[0-9]{9}$)|(13\d{9}$)|(15[01235-9]\d{8}$)|(18[026789]\d{8}$)/;
        $(document).ready(function(){
            $("#btnSubmit").click(function(){
                var childname = $.trim($("#childname").val());
                var username = $.trim($("#username").val());
                var mobileno = $.trim($("#mobileno").val());
                if(childname==null || childname=='' || childname==undefined){
                }else if(childname.length<2 || childname.length>5){
                    alert("输入宝贝姓名有效长度为2-5位字符!");
                }else if(username==null || username=='' || username==undefined){
                    alert("请您输入您的名字!");
                }else if(username.length<2 || username.length>5){
                    alert("输入宝贝姓名有效长度为2-5位字符!");
                }else if(mobileno==null || mobileno=='' || mobileno==undefined){
                    alert("请您输入您的手机号码!");
                }else if(!partterRelation.test(mobileno)){
                    alert("请您输入正确的手机号码!");
                }else{
                    document.forms[0].submit();
                }
            });
        });

    </script>