function showHideContent(id) {

	current = $(id).getStyle('display');
	
	if( current == 'block' ) {
		$(id).setStyle('display','none');
		$(id+'img').src = '/template/img/buttons/arrow_left.gif';
	} else {
		$(id).setStyle('display','block');
		$(id+'img').src = '/template/img/buttons/arrow_down.gif';	
	}

}