template <typename T> class Singleton
{
  static T* ms_Singleton;

  public:
    Singleton(void)     //This is the part I really don''t get

    {
      assert(!ms_Singleton);
      int offset = (int)(T*)1 - (int)(Singleton <T>*)(T*)1;
      ms_Singleton = (T*)((int)this + offset);
    }
};

template <typename T> T* Singleton<T>::ms_Singleton = 0;
  

  typedef class CLog : public Singleton <CLog>{	public:		CLog();		~CLog();		//Same as open log		CLog(const char * filename);		//Opens log for writing		bool OpenLog(const char * filename);        //Checks to see if log is open for writing        inline bool isOpen() { return m_isOpen; }		//Closes log		void CloseLog();		//Writes text to log		void Write(const char * text);		//Writes number to log		void Write(int num);		//Writes a line of text in log		void WriteLine(const char * text);		//Writes the current date and time to the file to keep records		void WriteDateTime();	private:		//File stream to read/write to		fstream			m_File;		//Is a file open for writing		bool m_isOpen;} LOG, *P_CLog;