function reveal(type){
	var types = '#hidden a.h'+type;
	$$(types).set('morph', {duration: 200}).morph({'z-index': '100','color':'#ffffff'});
	setTimeout(hide,200);
}
function hide(){
	$$('#hidden a').set('morph', {duration: 200}).morph({'z-index': '2','color':'#000000'});
}