code: @Override
  	public Double getPropertyDouble(String key)
  	{
  		Double iVal = null;
  		String sVal = getProperty(key);
  
  		if ((sVal != null) && (sVal.length() > 0))
  		{
  
  			iVal = Double.valueOf(sVal);
  
  		}
  		return iVal;
  
  	}
docs: /* (non-Javadoc)
  @see nyla.solutions.core.util.Settings#getPropertyDouble(java.lang.String)