function helpSetup () {
	/* help messages */
	
	var helps = $$('.helpmessage');
	if( helps != null ) {
		helps.each( function( el, i ) {
			
			new Fx.Style(el, 'opacity', {duration: 1000}).start(0,1);
					
			el.getElement('.closebox').addEvent('click', function() {
				new Fx.Style(el, 'opacity', {
						duration: 500, 
						onComplete : function() {
							el.setStyle('display','none'); 
							}
					}).start(0);
			});
		});
	}
}