var currentId = null;
Effect.Accordion = function (contentId) {
    var slideDown = 0.5;
    var slideUp = 0.5;

    contentId = $(contentId);

    if (currentId != contentId) {
            if (currentId == null) {
                    new Effect.SlideDown(contentId, {duration: slideDown});
                    } else {
                    new Effect.SlideUp(currentId, {duration: slideUp});
                    new Effect.SlideDown(contentId, {duration: slideDown});
            }
            currentId = contentId; 
    } else {
            new Effect.SlideUp(currentId, {duration: slideUp});
            currentId = null;
    }
};

Effect.ContentTransition = function (contentId, newContentValue) {
	contendId = $(contentId);
	Element.hide(contentId);
	contendId.innerHTML = newContentValue;
	new Effect.Appear(contendId, {duration:.3});
}