function enable()
{
	if ((!window.isEnabled) && (document.getElementById))
	{
		window.beMenuItem = new BackgroundEffects
			(
			"images/nav/button_off.jpg",
			"images/nav/button_on.jpg"
			);
		window.ieAddToCart = new ImageEffects(
			"images/nav/add_off.gif",
			"images/nav/add_on.gif"
			);
		window.iePreview = new ImageEffects(
			"images/nav/preview_off.gif",
			"images/nav/preview_on.gif"
			);
		window.ieDownload = new ImageEffects(
			"images/nav/download_off.gif",
			"images/nav/download_on.gif"
			);
		window.ieBuy = new ImageEffects(
			"images/nav/buy_off.gif",
			"images/nav/buy_on.gif"
			);
		window.ieBack = new ImageEffects(
			"images/nav/back_off.gif",
			"images/nav/back_on.gif"
			);
		
		window.isEnabled = true;
	}
}