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) {
		home_over = newImage("images/home_over.gif");
		meet_the_chefs_over = newImage("images/meet_the_chefs_over.gif");
		recipes_over = newImage("images/recipes_over.gif");
		expert_tips_over = newImage("images/expert_tips_over.gif");
		about_us_over = newImage("images/about_us_over.gif");
		press_over = newImage("images/press_over.gif");
		blog_over = newImage("images/blog_over.gif");
		buy_now_over = newImage("images/buy_now_over.gif");
		contact_over = newImage("images/contact_over.gif");
		preloadFlag = true;
	}
}