function show_tip(id, letter, tip) {
	$('tip').set('html', tip);
	$("letter" + id).set('src', 'images/letters/' + letter + '_selected.png');
}

function hide_tip(id, letter) {
	$('tip').set('html', '');
	$("letter" + id).set('src', 'images/letters/' + letter + '.png');
}

function showhide(id) {
	if ($(id).getStyle('display') == 'none' && $(id).getStyle('visibility') == 'hidden') {
		$(id).setStyle('display', 'block');
		$(id).setStyle('visibility', 'visible');
	}
	else {
		$(id).setStyle('display', 'none');
		$(id).setStyle('visibility', 'hidden');
	}
}
			
function obrazkowy_cheat() {
	var letters = new Asset.images(["images/letters/J_selected.png","images/letters/u_selected.png","images/letters/r_selected.png","images/letters/k_selected.png","images/letters/o_selected.png","images/letters/w_selected.png","images/letters/s_selected.png","images/letters/i_selected.png"]);			
}