有关jQuery中表单验证的有关问题

有关jQuery中表单验证的问题
随着jquery的流行越来也多的网站开始使用jquery来做网站的有特效

　　　　为了减轻服务器端的压力  为了达到CS的那种高效 ，减轻网络流量

　　　　对表单的验证 放在了客户端。

age：这是jsp网页其中的表单部分

<form action="ztfAction" method="post">
            <table name="name" id="y"/><div></div></td></tr>
                <tr><td>电话：</td><td><input type="text" name="tel" id="y"/><div></div></td></tr>
                <tr><td>Email:</td><td><input type="text" name="email" id="y"/><div></div></td></tr>
                <tr><td>密码：</td><td><input type="password" name="pawd" id="y"/><div></div></td></tr>
                <tr><td>再次输入密码：</td><td><input type="password" name="password" id="y"/><div></div></td></tr>
            </table>
        </form>

下面是jquery的代码

　　　　
var passwd1;

$(document).ready(function(){
        $(".tabin input").each(function(index){
          
                $(this).focus(function(){
                //当光标定位是改变输入框的颜色
                $(this).css("border-color","#FF0000");
                $(this).next("div").html("");
              
                }).blur(function(){
                    if(index==0){
                        var str = $(this).val();
                        var reg_exception =/[a-zA-Z1-9\u4e00-\u9fa5]{1,}/;
                        var result = reg_exception.test(str);
                        if(result){
                        $(this).css("border-color","#54585B")
                        }else{
                            $(this).next("div").html("请输入中文 或英文 或数字");
                            $(this).css("border-color","#FF000000");
                            $(this).val("");
                        }
                    }
                    if(index==1){alert("与用户名的输入框验证相似")}
                    if(index==2){alert("与用户名的输入框验证相似")}
                    if(index==3){
                        var reg_exception =/^[A-Za-z0-9]{6,}$/;
                        passwd1 = $(this).val();
                        var result =reg_exception.test(passwd1);
                        if(result){
                        $(this).css("border-color","#404040");
                        }else{
                            $(this).css("border-color","#D70402");
                            $(this).next("div").html("密码必须为6-20为的数字或大小写字母");
                            $(this).val("");
                        }
                    }
                    if(index==4){
                        var reg_exception =/^[A-Za-z0-9]{6,}$/;
                        var str2 = $(this).val();
                        var result =reg_exception.test(str2);
                        if(result){
                            if(passwd1==str2){
                            $(this).css("border-color","#404040");
                            }else{
                                $(this).css("border-color","D70402");
                                $(this).next("div").html("两次输入的密码不一致！请重新输入");
                                $(this).val("");
                            }
                        }else{
                            $(this).css("border-color","#404040");
                            $(this).next("div").html("密码必须为6-20为的数字或大小写字母");
                            $(this).val("");
                        }
                    }
                });
              
      
        });
});