public int getBurnTimeByStack(ItemStack i)
	{
	    if(i == null || i.item == null)
	        return -1;
		if(i.item.id.equals(Block.planks.getItem().id))
		{
			return 600;
		}
		else if(i.item.id.equals(Block.log.getItem().id))
		{
			return 800;
		}
		else if(i.item.id.equals(Item.coal.id))
		{
			return 1800;
		}
		else if(i.item.id.equals(Item.door.id))
		{
			return 200;
		}
		
		return -1;
	}