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");
		resume_over = newImage("images/resume-over.gif");
		websites_over = newImage("images/websites-over.gif");
		photoshop_over = newImage("images/photoshop-over.gif");
		illustrator_over = newImage("images/illustrator-over.gif");
		flash_over = newImage("images/flash-over.gif");
		index_13_photoshop_over = newImage("images/index_13-photoshop_over.gif");
		preloadFlag = true;
	}
}