var weather_current_page = 0;

function weather_change(direction)
{
	if (direction < 0 && weather_current_page == 0)
		return;
	
	var current_block = $('#weather-content-' + weather_current_page);
	if (current_block.length <= 0)
		return;
		
	var next_block = $('#weather-content-' + (weather_current_page + direction));
	if (next_block.length > 0)
	{
		current_block.css('visibility', 'hidden');
		next_block.css('visibility', 'visible');
		
		weather_current_page += direction;
	}
}