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");
		gallery_over = newImage("images/gallery-over.gif");
		about_comp_over = newImage("images/about-comp-over.gif");
		about_artist_over = newImage("images/about-artist-over.gif");
		Contact_over = newImage("images/Contact-over.gif");
		Training_main_over = newImage("images/Training-main-over.gif");
		dates_over = newImage("images/dates-over.gif");
		basic_over = newImage("images/basic-over.gif");
		classes_workshop_over = newImage("images/classes-workshop-over.gif");
		classes_certification_over = newImage("images/classes-certification-over.gif");
		classes_advanced_over = newImage("images/classes-advanced-over.gif");
		classes_instructor_over = newImage("images/classes-instructor-over.gif");
		classes_supplies_over = newImage("images/classes-supplies-over.gif");
		preloadFlag = true;
	}
}