function checkError() {
   if (document.FormRegister.logonId.value=="") {
     alert("Please enter your 'MCCO member ID'");
     document.FormRegister.logonId.focus();
     return false; //Do not submit
   } else {
     if (document.FormRegister.logonId.value.length<6) {
       alert("'MCCO member ID' should be at least 6 characters");
       document.FormRegister.logonId.focus();
       return false; //Do not submit
     }
     if ( !validString(document.FormRegister.logonId.value,"IsLetterOrDigit") ) {
       alert("Invalid input! Please enter 'MCCO member ID' again with valid letters and digits.");
       document.FormRegister.logonId.focus();
       return false; //Do not submit
     }	
   }	
   
   if (document.FormRegister.passwd.value=="") {
     alert("Please enter your 'Password'");
     document.FormRegister.passwd.focus();
     return false; //Do not submit
   } else {
     if (document.FormRegister.passwd.value.length<6 || document.FormRegister.passwd.value.length>12) {
       alert("'Password' should be 6-12 characters");
       document.FormRegister.passwd.focus();
       return false; //Do not submit
     }
     if ( !validString(document.FormRegister.passwd.value,"IsPwd") ) {
       alert("Invalid input! Please enter 'Password' again.");
       document.FormRegister.passwd.focus();
       return false; //Do not submit
     }	
   }
   if (document.FormRegister.rePasswd.value=="") {
     alert("Please enter your 'Re-enter password'");
     document.FormRegister.rePasswd.focus();
     return false; //Do not submit
   } else {
     if (document.FormRegister.rePasswd.value != document.FormRegister.passwd.value) {
       alert("Incorrect password! Please enter 'Re-enter password' again.");
       document.FormRegister.rePasswd.focus();
       return false; //Do not submit
     }	
   }
   if (document.FormRegister.firstName.value=="") {
     alert("Please enter your 'First name'");
     document.FormRegister.firstName.focus();
     return false; //Do not submit
   } else {
     if ( !validString(document.FormRegister.firstName.value,"IsLetter") ) {
       alert("Invalid input! Please enter 'First name' again.");
       document.FormRegister.firstName.focus();
       return false; //Do not submit
     }	
   }
   if (document.FormRegister.lastName.value=="") {
     alert("Please enter your 'Last name'");
     document.FormRegister.lastName.focus();
     return false; //Do not submit
   } else {
     if ( !validString(document.FormRegister.lastName.value,"IsLetter") ) {
       alert("Invalid input! Please enter 'Last name' again.");
       document.FormRegister.lastName.focus();
       return false; //Do not submit
     }	
   }
   if (document.FormRegister.address1.value=="") {
     alert("Please enter your 'Address'");
     document.FormRegister.address1.focus();
     return false; //Do not submit
   }
   if (document.FormRegister.email.value=="") {
     alert("Please enter your 'Email address'");
     document.FormRegister.email.focus();
     return false; //Do not submit
   } else {
     if ( !validString(document.FormRegister.email.value,"IsEmail") ) {
       alert("Invalid input! Please enter 'Email address' again.");
       document.FormRegister.email.focus();
       return false; //Do not submit
     }	
   }
   if (document.FormRegister.reEmail.value=="") {
     alert("Please enter your 'Re-enter email address'");
     document.FormRegister.reEmail.focus();
     return false; //Do not submit
   } else {
     if ( !validString(document.FormRegister.reEmail.value,"IsEmail") ) {
       alert("Invalid input! Please enter 'Re-enter email address' again.");
       document.FormRegister.reEmail.focus();
       return false; //Do not submit
     }	
     if (document.FormRegister.reEmail.value != document.FormRegister.email.value) {
       alert("Incorrect email! Please enter 'Re-enter email address' again.");
       document.FormRegister.reEmail.focus();
       return false; //Do not submit
     }	
   }
   
   return true;
}

function checkSelectFrom() {
   if (document.FormRegister.countryno.value=="99") {
   	document.getElementById("MsgOthers").style.visibility="visible"
   } else {
   	document.getElementById("MsgOthers").style.visibility="hidden"
   }	
}