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) {
		index_07_home_down = newImage("images/index_07-home_down.jpg");
		index_07_yoga_shop_over = newImage("images/index_07-yoga-shop_over.jpg");
		index_07_yoga_shop_down = newImage("images/index_07-yoga-shop_down.jpg");
		index_07_home_over = newImage("images/index_07-home_over.jpg");
		index_08_yoga_shop_over = newImage("images/index_08-yoga-shop_over.jpg");
		index_08_yoga_shop_down = newImage("images/index_08-yoga-shop_down.jpg");
		index_08_forum_over = newImage("images/index_08-forum_over.jpg");
		index_08_forum_down = newImage("images/index_08-forum_down.jpg");
		index_08_news_over = newImage("images/index_08-news_over.jpg");
		index_08_news_down = newImage("images/index_08-news_down.jpg");
		index_09_news_over = newImage("images/index_09-news_over.jpg");
		index_09_news_down = newImage("images/index_09-news_down.jpg");
		index_09_submit_over = newImage("images/index_09-submit_over.jpg");
		index_09_submit_down = newImage("images/index_09-submit_down.jpg");
		index_09_contact_over = newImage("images/index_09-contact_over.jpg");
		index_09_contact_down = newImage("images/index_09-contact_down.jpg");
		home_down = newImage("images/home-down.jpg");
		home_over = newImage("images/home-over.jpg");
		yoga_shop_over = newImage("images/yoga-shop-over.jpg");
		yoga_shop_down = newImage("images/yoga-shop-down.jpg");
		forum_over = newImage("images/forum-over.jpg");
		forum_down = newImage("images/forum-down.jpg");
		news_over = newImage("images/news-over.jpg");
		news_down = newImage("images/news-down.jpg");
		submit_over = newImage("images/submit-over.jpg");
		submit_down = newImage("images/submit-down.jpg");
		contact_over = newImage("images/contact-over.jpg");
		contact_down = newImage("images/contact-down.jpg");
		preloadFlag = true;
	}
}