void main(void)
{
	var lights = GetByType("interior_light");

	foreach (lights as light)
	{
		var enabled = false;

		// Save the original settings so we can reset to them later
		var color = light.getColor();
		var radius = light.getRadius();

		if (!enabled) // Starting from the Off state, we switch on Red Alert
		{
			// Set them all to red
			light.setColor(255, 0, 0);
			
			// Brighten and dim repeatedly
			while (true)
			{
				light.setRadius(4);
				sleep(1);
				light.setRadius(1);
				sleep(1);
			}

			// Save On state
			enabled = true;
		}
		else // If it was already on, set it back to defaults
		{
			light.setColor(color);
			light.setRadius(radius);
			enabled = false;
		}
	}
}