function showBallon(top, left, place){
	var ballon = $('ballon');

	ballon.style.top = top+"px";
	ballon.style.marginLeft = left+"px";
	$(place).show();
	ballon.appear();
}

function hideBallon(place){
	var ballon = $('ballon');

	ballon.hide();
	$(place).hide();
}