void setFontsize() throws ScriptException {
		int rasmolSize = 8;
		if (statementLength == 3) {
			rasmolSize = intParameter(2);
			// this is a kludge/hack to be somewhat compatible with RasMol
			rasmolSize += 5;

			if (rasmolSize < JmolConstants.LABEL_MINIMUM_FONTSIZE || rasmolSize > JmolConstants.LABEL_MAXIMUM_FONTSIZE)
				numberOutOfRange(JmolConstants.LABEL_MINIMUM_FONTSIZE, JmolConstants.LABEL_MINIMUM_FONTSIZE);
		}
		viewer.loadShape(JmolConstants.SHAPE_LABELS);
		viewer.setShapeProperty(JmolConstants.SHAPE_LABELS, "fontsize", new Integer(rasmolSize));
	}