function tile_event() 
{
	if (bmapno ==1 && credits >0) 
	{
	creditsf_add(-2000);
	ent_create(ship_b1, my.x, ship_function);  // create / place ship at my.x?
	}
	if (bmapno ==2 && credits >0)
	{
	creditsf_add(-3000);	
	ent_create(ship_b2, my.x, ship_function);  // create / place ship at my.x?
	}
	if (bmapno ==3 && credits >0)
	{
	creditsf_add(-500);	
	ent_create(ship_b3, my.x, ship_function);  // create / place ship at my.x?
	}
}