function navFlip(img_src, img_state) {
		new_img2 = '/images/' + img_src + '_' + img_state + '.jpg';
		document.images[img_src].src=new_img2;
	}

	function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}

	newImage('/images/nav_home_a.jpg');
	newImage('/images/nav_home_i.jpg');
	newImage('/images/nav_home_o.jpg');
	newImage('/images/nav_people_a.jpg');
	newImage('/images/nav_people_i.jpg');
	newImage('/images/nav_people_o.jpg');
	newImage('/images/nav_sounds_a.jpg');
	newImage('/images/nav_sounds_i.jpg');
	newImage('/images/nav_sounds_o.jpg');
	newImage('/images/hdr_pg.jpg');
	newImage('/images/bg_content_full.jpg');
	newImage('/images/spacer.gif');
	newImage('/images/pxl_dk_blue1.gif');
	newImage('/images/pxl_lt_blue1.gif');
	newImage('/images/pxl_lt_yellow1.gif');