else if(subtype.equalsIgnoreCase("SimpleDial")){
sbi= new SimpleDial();
logger.debug("SimpleDial chart instanciated");
}
else if(subtype.equalsIgnoreCase("Thermometer")){
sbi= new Thermometer();
logger.debug("Thermometer chart instanciated");
}
else if(subtype.equalsIgnoreCase("Meter")){
sbi= new Meter();
logger.debug("Meter chart instanciated");