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 = 'images/' + changeImages.arguments[i] + '_' + changeImages.arguments[i+1] + '.jpg';
		}
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		x = newImage("images/b_synops_over.jpg");
		x = newImage("images/b_synops_down.jpg");
		x = newImage("images/b_bio_over.jpg");
		x = newImage("images/b_bio_down.jpg");
		x = newImage("images/b_links_over.jpg");
		x = newImage("images/b_links_down.jpg");
		x = newImage("images/b_order_over.jpg");
		x = newImage("images/b_order_down.jpg");
		x = newImage("images/head_over.jpg");
		x = newImage("images/head_down.jpg");
		x = newImage("images/b_trailer_over.jpg");
		x = newImage("images/b_trailer_down.jpg");
		preloadFlag = true;
	}
}