function checkUserLogin(userlogin){
with(userlogin){
      user_id.value = strim(user_id.value);
      user_pass.value = strim(user_pass.value);
              
      field = eval("user_type");
          
      fchecked = false;
      for(var j=0;j<field.length;j++){
      if(field[j].checked) fchecked=true;
        }
      if(!fchecked){
          alert("请选择登录类型：学生 / 教师");
         field[0].focus();
          return false;
        }

      if(inerr(user_id,"请输入登录 ID.")){
        return false;
      }



      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(user_id.value)) {
       alert("登录ID中含有非法字符，请确认后重新输入.");
       user_id.focus();
      return false;
      }


     
      if(inerr(user_pass,"请输入登录密码.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(user_pass.value)) {
       alert("登录密码只允许是0-9,a-z,A-Z，请确认后重新输入.");
       user_pass.focus();
      return false;
      } 
      
}
}



function checkRegForm(reg){
with(reg){
var filter=/^.+@.+\..{2,3}$/
         s_name.value = strim(s_name.value);
         s_login_id.value = strim(s_login_id.value);
         s_login_pass.value = strim(s_login_pass.value);
         s_login_pass2.value = strim(s_login_pass2.value);

         s_nationality.value = strim(s_nationality.value);
         s_sex.value = strim(s_sex.value);                           
 
         s_tel.value = strim(s_tel.value);
         s_cell.value = strim(s_cell.value);
         s_msn.value = strim(s_msn.value);
         s_skype.value = strim(s_skype.value);
         s_email.value = strim(s_email.value);
         s_current_branch.value = strim(s_current_branch.value);
         s_studied_branch.value = strim(s_studied_branch.value);

              
    if(inerr(s_name,"请输入您的姓名.(例如：张三)")){
        return false;
      }
      
      if ((contain(s_name.value, "'~!@$%^-_&*=+|}{[];:,.?/`%\(\)><")))
      {
       alert("姓名中含有非法字符，请确认后重新输入.");
       s_name.focus();
       return false;
      }
     
    if(inerr(s_login_id,"请输入登陆ID.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_id.value)) {
       alert("登陆ID中含有非法字符，请确认后重新输入.");
       s_login_id.focus();
      return false;
      }

      if(StrLen(s_login_id.value)>20 || StrLen(s_login_id.value)<6){
      alert('登陆ID限制在6-20个字符.');
      s_login_id.focus();
      return false;      
      }

      if(inerr(s_login_pass,"请输入登陆密码.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_pass.value)) {
       alert("登陆密码中含有非法字符，请确认后重新输入.");
       s_login_pass.focus();
      return false;
      }
      
      if(StrLen(s_login_pass.value)>20 || StrLen(s_login_pass.value)<6){
      alert('登陆密码长度限制在6-20个字符.');
      s_login_pass.focus();
      return false;      
      }
      
      if(inerr(s_login_pass2,"请再次输入登陆密码，以便对第一次输入的密码进行验证.")){
        return false;
      }      
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_pass2.value)) {
       alert("确认密码中含有非法字符，请确认后重新输入.");
       s_login_pass2.focus();
      return false;
      }
      
      if(StrLen(s_login_pass2.value)>20 || StrLen(s_login_pass2.value)<6){
      alert('登陆密码长度限制在6-20个字符.');
      s_login_pass2.focus();
      return false;      
      }

      if(s_login_pass2.value!=s_login_pass.value){alert('确认密码与第一次输入的登陆密码不符.');
         s_login_pass2.focus();
         return false;}      
         
      if(inerr(s_nationality,"请输入您的国籍.")){
        return false;
      }         
          
      
      if(s_sex.value=='unknown'){
        alert("请选择您的性别.");
        s_sex.focus();
        return false;
      }      
     
     if((s_tel.value=="" || s_tel.value==null) && (s_cell.value=="" || s_cell.value==null)){
        alert('联系电话和手机号码，您至少需要输入一项.');
        s_tel.focus();
        return false;
     }
     
      if(inerr(s_msn,"请输入您经常使用的MSN帐号.")){
        return false;
      }

      if(inerr(s_skype,"请输入您经常使用的SKYPE帐号.")){
        return false;
      }
     
      if(inerr(s_email,"请输入您经常使用的电子邮件地址.")){
        return false;
      } 


      if (!filter.test(s_email.value))
          {
          alert('请输入一个有效的电子邮件地上.');
          s_email.focus();
          return false;
          }

  
      if(s_current_branch.value=='unknown'){
        alert("请选择目前就学的TLI分校.");
        s_current_branch.focus();
        return false;
      }    
      
      if(s_studied_branch.value=='unknown'){
        alert("请选择曾经就学的TLI分校.");
        s_studied_branch.focus();
        return false;
      }

        field = eval("s_pay_type");
          
        fchecked = false;
        for(var j=0;j<field.length;j++){
          if(field[j].checked) fchecked=true;
        }
        if(!fchecked){
          alert("Please choose payment means:\n\n1. Purchase courses   2. Purchase classes");
          field[0].focus();
          return false;
        }


}
}





function checkQuickRegForm(reg){
with(reg){
var filter=/^.+@.+\..{2,3}$/
         s_name.value = strim(s_name.value);
         s_login_id.value = strim(s_login_id.value);
         s_login_pass.value = strim(s_login_pass.value);
         s_login_pass2.value = strim(s_login_pass2.value);

         s_nationality.value = strim(s_nationality.value);                        
 
         s_tel.value = strim(s_tel.value);
         s_cell.value = strim(s_cell.value);
         s_email.value = strim(s_email.value);

              
    if(inerr(s_name,"请输入您的姓名")){
        return false;
      }
      
      if ((contain(s_name.value, "'~!@$%^-_&*=+|}{[];:,.?/`%\(\)><")))
      {
       alert("您输入的姓名中含有非法字符，请确认后重新输入.");
       s_name.focus();
       return false;
      }
     
    if(inerr(s_login_id,"请输入登录 ID.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_id.value)) {
       alert("您输入的登录ID中含有非法字符，请确认后重新输入.");
       s_login_id.focus();
      return false;
      }

      if(StrLen(s_login_id.value)>20 || StrLen(s_login_id.value)<6){
      alert('登录ID的长度限制在6-20个字符.');
      s_login_id.focus();
      return false;      
      }

      if(inerr(s_login_pass,"请输入登录密码.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_pass.value)) {
       alert("登录密码只允许是 0-9,a-z,A-Z ，并且限制在6-20个字符.");
       s_login_pass.focus();
      return false;
      }
      
      if(StrLen(s_login_pass.value)>20 || StrLen(s_login_pass.value)<6){
      alert('登录密码限制在6-20个字符.');
      s_login_pass.focus();
      return false;      
      }
      
      if(inerr(s_login_pass2,"请再次输入登录密码，以对您第一次输入的密码进行确认.")){
        return false;
      }      
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_pass2.value)) {
       alert("您输入的确认密码中含有非法字符，请确认后重新输入.");
       s_login_pass2.focus();
      return false;
      }
      
      if(StrLen(s_login_pass2.value)>20 || StrLen(s_login_pass2.value)<6){
      alert('密码限制在6-20个字符.');
      s_login_pass2.focus();
      return false;      
      }

      if(s_login_pass2.value!=s_login_pass.value){alert('您输入的确认密码与第一次输入的密码不相符.');
         s_login_pass2.focus();
         return false;}      
         
      if(inerr(s_nationality,"请输入您的国籍.")){
        return false;
      }         
    
     
     if((s_tel.value=="" || s_tel.value==null) && (s_cell.value=="" || s_cell.value==null)){
        alert('联系电话和手机号码，您至少需要输入一项.');
        s_tel.focus();
        return false;
     }

     
      if(inerr(s_email,"请输入一个您可以正常接收邮件的电子邮箱.")){
        return false;
      } 


      if (!filter.test(s_email.value))
          {
          alert('请输入一个有效的电子电子邮箱.');
          s_email.focus();
          return false;
          }


}
}






function checkTeacherModifyInfo(reg){
with(reg){
var filter=/^.+@.+\..{2,3}$/
         t_name.value = strim(t_name.value);

         t_sex.value = strim(t_sex.value);                           
 
         t_tel.value = strim(t_tel.value);
         t_cell.value = strim(t_cell.value);
         t_msn.value = strim(t_msn.value);
         t_skype.value = strim(t_skype.value);
         t_email.value = strim(t_email.value);

              
    if(inerr(t_name,"请输入老师姓名. \n(Example: Peter Chou，请使用英文或汉语拼音)")){
        return false;
      }
      
      if ((contain(t_name.value, "'~!@$%^-_&*=+|}{[];:,.?/`%\(\)><")))
      {
       alert("老师姓名中包含有非法字符.");
       t_name.focus();
       return false;
      }          
          
      
      if(t_sex.value=='unknown'){
        alert("请选择性别.");
        t_sex.focus();
        return false;
      }      

     
     if((t_tel.value=="" || t_tel.value==null) && (t_cell.value=="" || t_cell.value==null)){
        alert('老师的联系电话和手机号码，至少输入一项.');
        t_tel.focus();
        return false;
     }
     
     if((t_msn.value=="" || t_msn.value==null) && (t_skype.value=="" || t_skype.value==null)){
        alert('MSN和Skype帐号至少输入一项.');
        t_msn.focus();
        return false;
     }
     
      if(inerr(t_email,"请输入老师的电子邮件地址.")){
        return false;
      } 


      if (!filter.test(t_email.value))
          {
          alert('请输入合法的电子邮件地址.');
          t_email.focus();
          return false;
          }


}
}




function checkTeacherForm(reg){
with(reg){
var filter=/^.+@.+\..{2,3}$/
         t_name.value = strim(t_name.value);
         t_login_id.value = strim(t_login_id.value);
         t_login_pass.value = strim(t_login_pass.value);
         t_login_pass2.value = strim(t_login_pass2.value);

         t_sex.value = strim(t_sex.value);                           
 
         t_tel.value = strim(t_tel.value);
         t_cell.value = strim(t_cell.value);
         t_email.value = strim(t_email.value);

              
    if(inerr(t_name,"请输入老师姓名. \n(Example: Peter Chou，请使用英文或汉语拼音)")){
        return false;
      }
      
      if ((contain(t_name.value, "'~!@$%^-_&*=+|}{[];:,.?/`%\(\)><")))
      {
       alert("老师姓名中包含有非法字符.");
       t_name.focus();
       return false;
      }
     
    if(inerr(t_login_id,"请输入老师登录ID.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(t_login_id.value)) {
       alert("老师登录ID中含有非法字符，请检查后重新输入.");
       t_login_id.focus();
      return false;
      }

      if(StrLen(t_login_id.value)>20 || StrLen(t_login_id.value)<6){
      alert('登录ID只允许6-20个字符.');
      t_login_id.focus();
      return false;      
      }

      if(inerr(t_login_pass,"请输入登录密码.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(t_login_pass.value)) {
       alert("登录密码中含有非法字符，请检查后重新输入.");
       t_login_pass.focus();
      return false;
      }
      
      if(StrLen(t_login_pass.value)>20 || StrLen(t_login_pass.value)<6){
      alert('登录密码只允许6-20个字符.');
      t_login_pass.focus();
      return false;      
      }
      
      if(inerr(t_login_pass2,"请再次输入登录密码.")){
        return false;
      }      
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(t_login_pass2.value)) {
       alert("您输入的确认登录密码含有非法字符.");
       t_login_pass2.focus();
      return false;
      }
      
      if(StrLen(t_login_pass2.value)>20 || StrLen(t_login_pass2.value)<6){
      alert('登录密码只允许6-20个字符.');
      t_login_pass2.focus();
      return false;      
      }

      if(t_login_pass2.value!=t_login_pass.value){alert('您输入的确认登录密码与第一次输入的不相符.');
         t_login_pass2.focus();
         return false;}           
          
      
      if(t_sex.value=='unknown'){
        alert("请选择性别.");
        t_sex.focus();
        return false;
      }      

     
     if((t_tel.value=="" || t_tel.value==null) && (t_cell.value=="" || t_cell.value==null)){
        alert('老师的联系电话和手机号码，至少输入一项.');
        t_tel.focus();
        return false;
     }
     
     
      if(inerr(t_email,"请输入老师的电子邮件地址.")){
        return false;
      } 


      if (!filter.test(t_email.value))
          {
          alert('请输入合法的电子邮件地址.');
          t_email.focus();
          return false;
          }


}
}



function checkTeacherFormE(reg){
with(reg){
var filter=/^.+@.+\..{2,3}$/
         t_name.value = strim(t_name.value);
         t_login_id.value = strim(t_login_id.value);
         t_login_pass.value = strim(t_login_pass.value);
         t_login_pass2.value = strim(t_login_pass2.value);

         t_sex.value = strim(t_sex.value);                           
 
         t_tel.value = strim(t_tel.value);
         t_cell.value = strim(t_cell.value);
         t_email.value = strim(t_email.value);

              
    if(inerr(t_name,"Please input your name. \n(Example: Peter Chou)")){
        return false;
      }
      
      if ((contain(t_name.value, "'~!@$%^-_&*=+|}{[];:,.?/`%\(\)><")))
      {
       alert("Your name contains invalid character(s). Please check it and login again.");
       t_name.focus();
       return false;
      }
     
    if(inerr(t_login_id,"Please input Login ID.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(t_login_id.value)) {
       alert("Your Login ID contains invalid character(s). Please check it and login again.");
       t_login_id.focus();
      return false;
      }

      if(StrLen(t_login_id.value)>20 || StrLen(t_login_id.value)<6){
      alert('6 to 20 characters allowed for login ID.');
      t_login_id.focus();
      return false;      
      }

      if(inerr(t_login_pass,"Please input login password.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(t_login_pass.value)) {
       alert("Your password contains invalid character(s). Please check it and login again.");
       t_login_pass.focus();
      return false;
      }
      
      if(StrLen(t_login_pass.value)>20 || StrLen(t_login_pass.value)<6){
      alert('6 to 20 characters allowed for login password.');
      t_login_pass.focus();
      return false;      
      }
      
      if(inerr(t_login_pass2,"Input your password again.")){
        return false;
      }      
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(t_login_pass2.value)) {
       alert("Confirm password contains invalid character(s). Please check it and login again.");
       t_login_pass2.focus();
      return false;
      }
      
      if(StrLen(t_login_pass2.value)>20 || StrLen(t_login_pass2.value)<6){
      alert('6 to 20 characters allowed for login password.');
      t_login_pass2.focus();
      return false;      
      }

      if(t_login_pass2.value!=t_login_pass.value){
         alert('The confirm password is not same as the login password.\nPlease check it and input again.');
         t_login_pass2.focus();
         return false;}           
          
      
      if(t_sex.value=='unknown'){
        alert("Select your gender");
        t_sex.focus();
        return false;
      }      

     
     if((t_tel.value=="" || t_tel.value==null) && (t_cell.value=="" || t_cell.value==null)){
        alert('Telephone and cell phone number is required. You have to input at least one.');
        t_tel.focus();
        return false;
     }
     
     
      if(inerr(t_email,"Please input your E-mail.")){
        return false;
      } 


      if (!filter.test(t_email.value))
          {
          alert('Please input a valid E-mail.');
          t_email.focus();
          return false;
          }


}
}




function checkJoinForm(reg){
with(reg){
var filter=/^.+@.+\..{2,3}$/
         merchantID.value = strim(merchantID.value);
         loginPassword.value = strim(loginPassword.value);
         confirmloginPassword.value = strim(confirmloginPassword.value);
         username.value = strim(username.value);

         sex.value = strim(sex.value); 
         city.value = strim(city.value);
                          
 
         tel.value = strim(tel.value);
         email.value = strim(email.value);



    if(inerr(merchantID,"Please input a Merchant ID.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(merchantID.value)) {
       alert("Your Merchant ID contains invalid character(s). Please check it and login again.");
       merchantID.focus();
       return false;
      }

      if(StrLen(merchantID.value)>20 || StrLen(merchantID.value)<6){
      alert('6 to 20 characters allowed for login ID.');
      merchantID.focus();
      return false;      
      }





     if(inerr(loginPassword,"登録キーワードを入力してください.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(loginPassword.value)) {
       alert("登録キーワードで無効字があるので、ご確認してください.");
       loginPassword.focus();
      return false;
      }
      
      if(StrLen(loginPassword.value)>20 || StrLen(loginPassword.value)<6){
      alert('キーワードの長さは6-20文字です.');
      loginPassword.focus();
      return false;      
      }
      
      if(inerr(confirmloginPassword,"登録キーワードをもう一回入力してください.")){
        return false;
      }      
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(confirmloginPassword.value)) {
       alert("登録キーワードで無効字があるので、ご確認してください.");
       confirmloginPassword.focus();
      return false;
      }
      
      if(StrLen(confirmloginPassword.value)>20 || StrLen(confirmloginPassword.value)<6){
      alert('キーワードの長さは6-20文字です.');
      confirmloginPassword.focus();
      return false;      
      }

      if(confirmloginPassword.value!=loginPassword.value){alert('パスワードともとのパスワードが一致しないことを確認します.\n確認して下さい後に再び入力します.');
         confirmloginPassword.focus();
         return false;}



              
    if(inerr(username,"お名前を入力してください.（例え：田中　宏）")){
        return false;
      }
      
      if ((contain(username.value, "'~!@$%^-_&*=+|}{[];:,?/`%\(\)><")))
      {
       alert("お名前で無効字があるので、ご確認してください.");
       username.focus();
       return false;
      }
     



      if(sex.value=='unknown'){
        alert("性別を入力してください.");
        sex.focus();
        return false;
      } 


     
         
      if(inerr(city,"Please input your city.")){
        return false;
      }         
          
           
     
      if(inerr(tel,"Please input telephone number.")){
        return false;
      } 

     
      if(inerr(email,"そちらのメールアドレスを入力してください.")){
        return false;
      } 


      if (!filter.test(email.value))
          {
          alert('有効のメールアドレスを入力してください.');
          email.focus();
          return false;
          }

      
}
}


function check_merID(reg){
with(reg){
     merchantID.value = strim(merchantID.value);

    if(inerr(merchantID,"请输入加盟 ID.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(merchantID.value)) {
       alert("加盟ID中含有非法字符，请确认后重新输入.");
       merchantID.focus();
       return false;
      }

      if(StrLen(merchantID.value)>20 || StrLen(merchantID.value)<6){
      alert('ID长度限制在6-20个字符.');
      merchantID.focus();
      return false;      
      }
      

window.open ('join_check_merID.asp?merID='+merchantID.value+'','','scrollbars=no,resizable=no,menubar=no,width=450,height=110,top=250,left=300');
}
}




function checkQuestionTitle(mr){
with(mr){
     uq_title.value = strim(uq_title.value);

    if(inerr(uq_title,"请输入标题.")){
        return false;
      }

      if ((contain(uq_title.value, "'~@$%^&*=+|}{[]/`%\(\)><")))
      {
       alert("标题中含有非法字符.");
       uq_title.focus();
       return false;
      }

  submit();
}
}




function checkSubSchoolMessageTitle(mr){
with(mr){
     n_title.value = strim(n_title.value);

    if(inerr(n_title,"请输入信息标题.")){
        return false;
      }

      if ((contain(n_title.value, "'~@$%^&*=+|}{[]/`%\(\)><")))
      {
       alert("你输入的信息标题中含有非法字符.");
       n_title.focus();
       return false;
      }
}
}





function checkTehacerSetTime(mr){
with(mr){
     tt_date.value = strim(tt_date.value);

    if(inerr(tt_date,"请选择日期.")){
        return false;
      }
}
}

function checkStudentSetTime(mr){
with(mr){
     s_customer_day.value = strim(s_customer_day.value);

    if(inerr(s_customer_day,"日付を選んでください.")){
        return false;
      }
}
}

function checkmailbox(studentMsg){
with(studentMsg){
     mb_title.value = strim(mb_title.value);

    if(inerr(mb_title,"请输入信息标题.")){
        return false;
      }

      if ((contain(mb_title.value, "'~@$%^&*=+|}{[]/`%\(\)><")))
      {
       alert("信息标题中含有非法字符");
       mb_title.focus();
       return false;
      }

}
}


function checkmailbox2(studentMsg){
with(studentMsg){
     mb_title.value = strim(mb_title.value);
     sender_name.value = strim(sender_name.value);

    if(inerr(mb_title,"情報テーマを入力してください.")){
        return false;
      }

      if ((contain(mb_title.value, "'~@$%^&*=+|}{[]/`%\(\)><")))
      {
       alert("Message title contains invalid characters.");
       mb_title.focus();
       return false;
      }

    if(inerr(sender_name,"Please input receiver ID.")){
        return false;
      }

      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(sender_name.value)) {
       alert("Receiver ID contains invalid character(s). Please check it and login again.");
       sender_name.focus();
      return false;
      }

}
}

function checkmailboxT(studentMsg){
with(studentMsg){
     mb_title.value = strim(mb_title.value);

    if(inerr(mb_title,"Please input message title.")){
        return false;
      }

      if ((contain(mb_title.value, "'~@$%^&*=+|}{[]/`%\(\)><")))
      {
       alert("Message title contains invalid characters.");
       mb_title.focus();
       return false;
      }

}
}



function check_s_login_ID(reg){
with(reg){
     s_login_id.value = strim(s_login_id.value);

    if(inerr(s_login_id,"请输入登录ID.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_id.value)) {
       alert("您输入的登录ID中含有非法字符，请确认后重新输入.");
       s_login_id.focus();
      return false;
      }

      if(StrLen(s_login_id.value)>20 || StrLen(s_login_id.value)<6){
      alert('登录ID长度限制在6-20个字符.');
      s_login_id.focus();
      return false;      
      }
      

window.open ('student_check_loginID.asp?s_login_id='+s_login_id.value+'','','scrollbars=no,resizable=no,menubar=no,width=450,height=110,top=250,left=300');

}
}



function check_t_login_ID(reg){
with(reg){
     t_login_id.value = strim(t_login_id.value);

    if(inerr(t_login_id,"请输入老师登录ID.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(t_login_id.value)) {
       alert("您输入的老师登录ID中含有非法字符.");
       t_login_id.focus();
      return false;
      }

      if(StrLen(t_login_id.value)>20 || StrLen(t_login_id.value)<6){
      alert('登录ID只允许6-20个字符.');
      t_login_id.focus();
      return false;      
      }
      

window.open ('../teacher_check_loginID.asp?t_login_id='+t_login_id.value+'','','scrollbars=no,resizable=no,menubar=no,width=450,height=110,top=250,left=300');

}
}

function check_t_login_IDE(reg){
with(reg){
     t_login_id.value = strim(t_login_id.value);

    if(inerr(t_login_id,"Please input your login ID.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z\_]+$";
      var re = new RegExp(regu);
      if (!re.test(t_login_id.value)) {
       alert("Your login ID contains invalid character(s). Please check it and login again.");
       t_login_id.focus();
      return false;
      }

      if(StrLen(t_login_id.value)>20 || StrLen(t_login_id.value)<6){
      alert('6 to 20 characters allowed for login ID.');
      t_login_id.focus();
      return false;      
      }
      

window.open ('../teacher_check_loginID.asp?t_login_id='+t_login_id.value+'','','scrollbars=no,resizable=no,menubar=no,width=450,height=110,top=250,left=300');

}
}



function checkSmodifyPass(mr){
with(mr){

         s_login_pass.value = strim(s_login_pass.value);
         s_login_pass2.value = strim(s_login_pass2.value);
         s_login_pass3.value = strim(s_login_pass3.value);



      if(inerr(s_login_pass,"请输入当前密码.")){
        return false;
      }
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_pass.value)) {
       alert("输入的当前密码中含有非法字符.");
       s_login_pass.focus();
      return false;
      }
      
      if(StrLen(s_login_pass.value)>20 || StrLen(s_login_pass.value)<6){
      alert('密码长度限制在6-20个字符.');
      s_login_pass.focus();
      return false;      
      }
      
      if(inerr(s_login_pass2,"请输入一个新密码.")){
        return false;
      }      
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_pass2.value)) {
       alert("新密码中含有非法字符.");
       s_login_pass2.focus();
      return false;
      }
      
      if(StrLen(s_login_pass2.value)>20 || StrLen(s_login_pass2.value)<6){
      alert('密码长度限制在6-20个字符.');
      s_login_pass2.focus();
      return false;      
      }



      if(inerr(s_login_pass3,"请再次输入新密码.")){
        return false;
      }      
      
      var regu = "^[0-9a-zA-Z]+$";
      var re = new RegExp(regu);
      if (!re.test(s_login_pass3.value)) {
       alert("输入的确认密码中含有非法字符.");
       s_login_pass3.focus();
      return false;
      }
      
      if(StrLen(s_login_pass3.value)>20 || StrLen(s_login_pass3.value)<6){
      alert('密码长度限制在6-20个字符.');
      s_login_pass3.focus();
      return false;      
      }



      if(s_login_pass2.value!=s_login_pass3.value){alert('确认密码与第一次输入的新密码不符.');
         s_login_pass3.focus();
         return false;}      
         

}
}



function checkSmodifyForm(reg){
with(reg){
var filter=/^.+@.+\..{2,3}$/
         s_name.value = strim(s_name.value);
         s_nationality.value = strim(s_nationality.value);
         s_sex.value = strim(s_sex.value);                           
         s_tel.value = strim(s_tel.value);
         s_cell.value = strim(s_cell.value);
         s_email.value = strim(s_email.value);

              
    if(inerr(s_name,"请输入姓名")){
        return false;
      }
      
      if ((contain(s_name.value, "'~!@$%^-_&*=+|}{[];:,.?/`%\(\)><")))
      {
       alert("姓名中含有非法字符.");
       s_name.focus();
       return false;
      }
       
         
      if(inerr(s_nationality,"请输入国籍.")){
        return false;
      }         
          
      
      if(s_sex.value=='unknown'){
        alert("请选择性别.");
        s_sex.focus();
        return false;
      }      
     
     if((s_tel.value=="" || s_tel.value==null) && (s_cell.value=="" || s_cell.value==null)){
        alert('联系电话和手机，您至少需要输入一项.');
        s_tel.focus();
        return false;
     }
     
     
      if(inerr(s_email,"请输入常用的电子邮箱.")){
        return false;
      } 


      if (!filter.test(s_email.value))
          {
          alert('请输入一个有效的电子邮箱.');
          s_email.focus();
          return false;
          }

  

}
}