if (parseInt(navigator.userAgent.charAt(8)) >= 3) {
		tab0on = new Image();
		tab0on.src = "http://www.scoiclasroom.com/images/tab_home_hover.gif";
		tab0off = new Image();
		tab0off.src = "http://www.scoiclasroom.com/images/tab_home.gif";

		tab1on = new Image();
		tab1on.src = "http://www.scoiclasroom.com/images/tab_about_hover.gif";
		tab1off = new Image();
		tab1off.src = "http://www.scoiclasroom.com/images/tab_about.gif";

		tab2on = new Image();
		tab2on.src = "http://www.scoiclasroom.com/images/tab_register_hover.gif";
		tab2off = new Image();
		tab2off.src = "http://www.scoiclasroom.com/images/tab_register.gif";

		tab3on = new Image();
		tab3on.src = "http://www.scoiclasroom.com/images/tab_echat_hover.gif";
		tab3off = new Image();
		tab3off.src = "http://www.scoiclasroom.com/images/tab_echat.gif";

		tab4on = new Image();
		tab4on.src = "http://www.scoiclasroom.com/images/tab_video_hover.gif";
		tab4off = new Image();
		tab4off.src = "http://www.scoiclasroom.com/images/tab_video.gif";

		tab5on = new Image();
		tab5on.src = "http://www.scoiclasroom.com/images/tab_news_hover.gif";
		tab5off = new Image();
		tab5off.src = "http://www.scoiclasroom.com/images/tab_news.gif";

		tab6on = new Image();
		tab6on.src = "http://www.scoiclasroom.com/images/tab_bios_hover.gif";
		tab6off = new Image();
		tab6off.src = "http://www.scoiclasroom.com/images/tab_bios.gif";

		tab7on = new Image();
		tab7on.src = "http://www.scoiclasroom.com/images/tab_photos_hover.gif";
		tab7off = new Image();
		tab7off.src = "http://www.scoiclasroom.com/images/tab_photos.gif";

		tab8on = new Image();
		tab8on.src = "http://www.scoiclasroom.com/images/tab_directions_hover.gif";
		tab8off = new Image();
		tab8off.src = "http://www.scoiclasroom.com/images/tab_directions.gif";

		tab9on = new Image();
		tab9on.src = "http://www.scoiclasroom.com/images/tab_sitemap_hover.gif";
		tab9off = new Image();
		tab9off.src = "http://www.scoiclasroom.com/images/tab_sitemap.gif";

		tab10on = new Image();
		tab10on.src = "http://www.scoiclasroom.com/images/tab_contact_hover.gif";
		tab10off = new Image();
		tab10off.src = "http://www.scoiclasroom.com/images/tab_contact.gif";

		tab11on = new Image();
		tab11on.src = "http://www.scoiclasroom.com/images/tab_store_hover.gif";
		tab11off = new Image();
		tab11off.src = "http://www.scoiclasroom.com/images/tab_store.gif";

		acronymscoion = new Image();
		acronymscoion.src = "http://www.scoiclasroom.com/images/logo_scoi_acronym_hover.gif";
		acronymscoioff = new Image();
		acronymscoioff.src = "http://www.scoiclasroom.com/images/logo_scoi_acronym.gif";

		acronymclason = new Image();
		acronymclason.src = "http://www.scoiclasroom.com/images/logo_clas_acronym_hover.gif";
		acronymclasoff = new Image();
		acronymclasoff.src = "http://www.scoiclasroom.com/images/logo_clas_acronym.gif";
	}
	function img_on(imgFile) {
		if (parseInt(navigator.userAgent.charAt(8)) >= 3) {
			imgOn = eval(imgFile + "on.src");
			document [imgFile].src = imgOn;
		}
	}
	function img_off(imgFile) {
		if (parseInt(navigator.userAgent.charAt(8)) >= 3) {
			imgOff = eval(imgFile + "off.src");
			document [imgFile].src = imgOff;
		}
	}