function TRM_ValidateSerialNumber(value){var invalid=true;if(value.length==24){if(GetJSON("/trm_validate.php?SN="+value)){invalid=false;}
else{MsgBox('\'Serial Number\': The Serial number is not valid.','Input error');}}
else{MsgBox('\'Serial Number\': The Serial number is too short or too long.','Input error');}
return invalid;}