code: protected boolean hasChildrenValuesLoaded()
  	{
  		for (int i = 0; i < variables.length; ++i)
  		{
  			if (variables[i] != null)
  			{
  				return true;
  			}
  		}
  		return false;
  	}
docs: Tests that some of the children are already created.
  
  @return