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