function showBanner(banner){
	$('#panel_buttons').hide();
	if(banner == 'land')
		$('#interact_land').css("display", "table");
	else if(banner == 'air')
		$('#interact_air').css("display", "table");
	else if(banner == 'sea')
		$('#interact_sea').css("display", "table");
	else if(banner == 'space')
		$('#interact_space').css("display", "table");
}

function hideBanner(){
	$('#panel_buttons').show();
	$('#interact_land').hide();
	$('#interact_air').hide();
	$('#interact_sea').hide();
	$('#interact_space').hide();
}