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_boards_over = newImage("images/home_boards-over.gif");
		home_2004_over = newImage("images/home_2004-over.gif");
		home_13moons_over = newImage("images/home_13moons-over.gif");
		home_black_over = newImage("images/home_black-over.gif");
		home_studio_over = newImage("images/home_studio-over.gif");
		home_doc_over = newImage("images/home_doc-over.gif");
		home_pre_over = newImage("images/home_pre-over.gif");
		home_cv_over = newImage("images/home_cv-over.gif");
		home_contact_over = newImage("images/home_contact-over.gif");
		preloadFlag = true;
	}
}