dot_off = "/img/dot_off.gif";
dot_on = "/img/dot_on.gif";
en_on = "/img/en_on.gif";
en_off = "/img/en_off.gif";
ru_on = "/img/ru_on.gif";
ru_off = "/img/ru_off.gif";
uz_on = "/img/uz_on.gif";
uz_off = "/img/uz_off.gif";
sitemap_off = "/img/sitemap_off.gif";
sitemap_on = "/img/sitemap_on.gif";

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

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		img1 = newImage(dot_off);
		img2 = newImage(dot_on);
		img3 = newImage(en_on);
		img4 = newImage(en_off);
		img5 = newImage(ru_on);
		img6 = newImage(ru_off);
		img7 = newImage(uz_on);
		img8 = newImage(uz_off);
		img9 = newImage(sitemap_on);
		img10 = newImage(sitemap_off);
		preloadFlag = true;
	}
}

function turn_on(name) {
	changeImages(name, dot_on);
}

function turn_off(name) {
	changeImages(name, dot_off);
}