public boolean onBlockActivated(World world, BlockPos pos, IBlockState state, EntityPlayer player, EnumHand hand, @Nullable ItemStack heldItem, EnumFacing side, float hitX, float hitY, float hitZ)
    {
    	TileEntityRacks te = (TileEntityRacks) world.getTileEntity(pos);
       Container container = te.createContainer(player.inventory, player);
       Slot slot0 = (Slot)container.inventorySlots.get(0);
       Slot slot1 = (Slot)container.inventorySlots.get(1);
       Slot slot2 = (Slot)container.inventorySlots.get(2);
       Slot slot3 = (Slot)container.inventorySlots.get(3);
       Slot slot4 = (Slot)container.inventorySlots.get(4);
       Slot slot5 = (Slot)container.inventorySlots.get(5);
       Slot slot6 = (Slot)container.inventorySlots.get(6);
       Slot slot7 = (Slot)container.inventorySlots.get(7);
       Slot slot8 = (Slot)container.inventorySlots.get(8);

       ItemStack is_p_0 = slot0.getStack();
       ItemStack is_p_1 = slot1.getStack();
       ItemStack is_p_2 = slot2.getStack();
       ItemStack is_p_3 = slot3.getStack();
       ItemStack is_p_4 = slot4.getStack();
       ItemStack is_p_5 = slot5.getStack();
       ItemStack is_p_6 = slot6.getStack();
       ItemStack is_p_7 = slot7.getStack();
       ItemStack is_p_8 = slot8.getStack();

           if(heldItem != null && (heldItem.getItem().equals(ItemHandler.BottleFW) || heldItem.getItem().equals(ItemHandler.BottleSW)) && is_p_0 == null)
           {
        	   ItemStack is = heldItem.splitStack(1);
               slot0.putStack(is);
           } else if(heldItem != null && (heldItem.getItem().equals(ItemHandler.BottleFW) || heldItem.getItem().equals(ItemHandler.BottleSW)) && is_p_1 == null) {
        	   ItemStack is = heldItem.splitStack(1);
               slot1.putStack(is);
           } else if(heldItem != null && (heldItem.getItem().equals(ItemHandler.BottleFW) || heldItem.getItem().equals(ItemHandler.BottleSW)) && is_p_2 == null) {
        	   ItemStack is = heldItem.splitStack(1);
               slot2.putStack(is);
           } else if(heldItem != null && (heldItem.getItem().equals(ItemHandler.BottleFW) || heldItem.getItem().equals(ItemHandler.BottleSW)) && is_p_3 == null) {
        	   ItemStack is = heldItem.splitStack(1);
               slot3.putStack(is);
           } else if(heldItem != null && (heldItem.getItem().equals(ItemHandler.BottleFW) || heldItem.getItem().equals(ItemHandler.BottleSW)) && is_p_4 == null) {
        	   ItemStack is = heldItem.splitStack(1);
               slot4.putStack(is);
           } else if(heldItem != null && (heldItem.getItem().equals(ItemHandler.BottleFW) || heldItem.getItem().equals(ItemHandler.BottleSW)) && is_p_5 == null) {
        	   ItemStack is = heldItem.splitStack(1);
               slot5.putStack(is);
           } else if(heldItem != null && (heldItem.getItem().equals(ItemHandler.BottleFW) || heldItem.getItem().equals(ItemHandler.BottleSW)) && is_p_6 == null) {
        	   ItemStack is = heldItem.splitStack(1);
               slot6.putStack(is);
           } else if(heldItem != null && (heldItem.getItem().equals(ItemHandler.BottleFW) || heldItem.getItem().equals(ItemHandler.BottleSW)) && is_p_7 == null) {
        	   ItemStack is = heldItem.splitStack(1);
               slot7.putStack(is);
           } else if(heldItem != null && (heldItem.getItem().equals(ItemHandler.BottleFW) || heldItem.getItem().equals(ItemHandler.BottleSW)) && is_p_8 == null) {
        	   ItemStack is = heldItem.splitStack(1);
               slot8.putStack(is);
           }
           else {
               if(!world.isRemote){
            	   player.openGui(Main.MODID, FC2_GuiHandler.RACKSGUI, world, pos.getX(), pos.getY(), pos.getZ());
               }
           }

       return true;
    }