if (document) {
	img1on = new Image();      
	img1on.src = "/images/banner_photo_dc.jpg";
	img2on = new Image();      
	img2on.src = "/images/banner_right_dc.jpg";

	img3on = new Image();      
	img3on.src = "/images/banner_photo_ppt.jpg";
	img4on = new Image();      
	img4on.src = "/images/banner_right_ppt.jpg";

	img5on = new Image();      
	img5on.src = "/images/banner_photo_lp.jpg";
	img6on = new Image();      
	img6on.src = "/images/banner_right_lp.jpg";

	img7on = new Image();      
	img7on.src = "/images/banner_photo_cosm.jpg";
	img8on = new Image();      
	img8on.src = "/images/banner_right_cosm.jpg";

	img9on = new Image();      
	img9on.src = "/images/banner_photo_dwc.jpg";
	img10on = new Image();      
	img10on.src = "/images/banner_right_dwc.jpg";
}

// Function to 'activate' images
function imgsOn(imgName1, imgName2) {
	if (document) {
		document.logoPhoto.src = eval(imgName1 + "on.src");
		document.rightPhoto.src = eval(imgName2 + "on.src");
	}
}

// Function to 'deactivate' images
function imgsOff(imgName) {
	if (document) {
		document.logoPhoto.src = "/images/banner_photo_" + imgName + ".jpg";
		document.rightPhoto.src = "/images/banner_right_" + imgName + ".jpg";
	}
}