BlockFenceGate
package net.minecraft.src;

public class BlockFenceGate extends Block
{

    public BlockFenceGate(int blockID)
    {
        // Call our inherited's class telling it
        // we want to use the jukebox texture and
        // have wood like properties
        super(blockID, 74, Material.wood);

        this.setResistance(2.0F).setHardness(10F).setStepSound(soundClothFootstep);

        Item.itemsList[blockID] = new ItemBlock(blockID-256);

        CraftingManager.getInstance().addRecipe(new ItemStack(blockID, 1), new Object[] {
                                                    ^
            "   ","-#-","-#-", Character.valueOf('#'), Block.planks, Character.valueOf('-'), Item.stick,
        });
    }
}

modfencegate

public class mod_FenceGate{
public static final Block fenceGate = (new BlockFenceGate(99, 1));
                ^                      ^
//fenceGate.setHardness(1.5F);
//fenceGate.setStepSound(soundClothFootstep);
//fenceGate.setBlockName("fenceGate");
}