var fadeDivs = new Object();
function swapFade(divClass, fadeDuration) {
	if (!fadeDivs[divClass]) {
		fadeDivs[divClass] = new Object();
		fadeDivs[divClass]['elements'] = document.getElementsByClassName(divClass);
		fadeDivs[divClass]['cnt'] = 0;
	}

	if (fadeDivs[divClass]['elements'].length) {
		Effect.Fade(fadeDivs[divClass]['elements'][fadeDivs[divClass]['cnt']], { duration:fadeDuration, from:1.0, to:0.0 });
		fadeDivs[divClass]['cnt']++;
		if (fadeDivs[divClass]['cnt'] == fadeDivs[divClass]['elements'].length)
			fadeDivs[divClass]['cnt'] = 0;
		Effect.Appear(fadeDivs[divClass]['elements'][fadeDivs[divClass]['cnt']], { duration:fadeDuration, from:0.0, to:1.0 });
	}
}

function toggleNotice(elId) {
	if ($(elId).visible()) {
		Effect.Fade(elId);
	} else {
		Effect.Appear(elId);
	}
}