(function($){
//function checkidno(obj) {  };
  var vcity={ 11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",  
    21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",  
    33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",  
    42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",  
    51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",  
    63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外" 
  };

  checkCard = function(obj)  
  {  

    // if(obj.length == 0){
    //   return false;
    // }
    //校验长度，类型  
    if(isCardNo(obj) === false)  
    {  
      return false;  
    }  
    //检查省份  
    if(checkProvince(obj) === false)  
    {  
      return false;  
    }  
    //校验生日  
    if(checkBirthday(obj) === false)  
    {  
      return false;  
    }  
    //检验位的检测  
    if(checkParity(obj) === false)  
    {  
      return false;  
    }  
    return true;  
  };

  //检查号码是否符合规范，包括长度，类型  
  isCardNo = function(obj)  
  {  
    //身份证号码为15位或者18位，15位时全为数字，18位前17位为数字，最后一位是校验位，可能为数字或字符X  
    var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;  
    if(reg.test(obj) === false)  
    {  
     return false;  
    }  
    return true;  
  };  

  //取身份证前两位,校验省份  
  checkProvince = function(obj)  
  {  
    var province = obj.substr(0,2);  
    if(vcity[province] == undefined)  
    {  
     return false;  
    }  
    return true;  
  }; 

  //检查生日是否正确  
  checkBirthday = function(obj)  
  {  
    var len = obj.length;  
    //身份证15位时，次序为省（3位）市（3位）年（2位）月（2位）日（2位）校验位（3位），皆为数字  
    if(len == '15')  
    {  
     var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;  
     var arr_data = obj.match(re_fifteen);  
     var year = arr_data[2];  
     var month = arr_data[3];  
     var day = arr_data[4];  
     var birthday = new Date('19'+year+'/'+month+'/'+day);  
     return verifyBirthday('19'+year,month,day,birthday);  
    }  
    //身份证18位时，次序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），校验位末尾可能为X  
    if(len == '18')  
    {  
     var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;  
     var arr_data = obj.match(re_eighteen);  
     var year = arr_data[2];  
     var month = arr_data[3];  
     var day = arr_data[4];  
     var birthday = new Date(year+'/'+month+'/'+day);  
     return verifyBirthday(year,month,day,birthday);  
    }  
    return false;  
  };  

  //校验日期  
  verifyBirthday = function(year,month,day,birthday)  
  {  
    var now = new Date();  
    var now_year = now.getFullYear();  
    //年月日是否合理  
    if(birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day)  
    {  
     //判断年份的范围（3岁到100岁之间)  
     var time = now_year - year;  
     if(time >= 0 && time <= 130)  
     {  
      return true;  
     }  
     return false;  
    }  
    return false;  
  };  

  //校验位的检测  
  checkParity = function(obj)  
  {  
    //15位转18位  
    obj = changeFivteenToEighteen(obj);  
    var len = obj.length;  
    if(len == '18')  
    {  
     var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);  
     var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');  
     var cardTemp = 0, i, valnum;  
     for(i = 0; i < 17; i ++)  
     {  
      cardTemp += obj.substr(i, 1) * arrInt[i];  
     }  
     valnum = arrCh[cardTemp % 11];  
     if (valnum == obj.substr(17, 1))  
     {  
      return true;  
     }  
     return false;  
    }  
    return false;  
  };  

  //15位转18位身份证号  
  changeFivteenToEighteen = function(obj)  
  {  
    if(obj.length == '15')  
    {  
     var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);  
     var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');  
     var cardTemp = 0, i;   
     obj = obj.substr(0, 6) + '19' + obj.substr(6, obj.length - 6);  
     for(i = 0; i < 17; i ++)  
     {  
      cardTemp += obj.substr(i, 1) * arrInt[i];  
     }  
     obj += arrCh[cardTemp % 11];  
     return obj;  
    }  
    return obj;  
  };
})