Bug 295981 [Forms] FormImages & FormFonts are not disposed correctly
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/forms/widgets/Section.java
*/
	public void setTitleBarGradientBackground(Color color) {
		putTitleBarColor(COLOR_GBG, color);
	}
	/**
	 * Returns the title bar border color when TITLE_BAR style is used.
	 * 
	 * @return the title bar border color
	 */
	public Color getTitleBarBorderColor() {
		if (titleColors == null)
			return null;
		return (Color) titleColors.get(COLOR_BORDER);
	}
	/**
	 * Returns the title bar gradient background color when TITLE_BAR style is
	 * used.
	 * 
	 * @return the title bar gradient background
	 */
	public Color getTitleBarGradientBackground() {
		if (titleColors == null)
			return null;
		if ((getExpansionStyle() & SHORT_TITLE_BAR) != 0)
			return getBackground();
		return (Color) titleColors.get(COLOR_GBG);
	}
	/**
	 * Returns the title bar background when TITLE_BAR style is used.
	 *