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) {
		play_live_over = newImage("/_inc/img/play_live-over.gif");
		login_over = newImage("/_inc/img/login-over.gif");
		playlist_over = newImage("/_inc/img/playlist-over.gif");
		preview_over = newImage("/_inc/img/preview-over.gif");
		artists_over = newImage("/_inc/img/artists-over.gif");
		free_trial_over = newImage("/_inc/img/free_trial-over.gif");
		contact_over = newImage("/_inc/img/contact-over.gif");
		preloadFlag = true;
	}
}