public class cMain extends Form {

//
// package information
//

private String verInstaller     = "1.0.c";
private String verPackage       = "1.0.a";

//
// publicly accessible values
//

 public  String sd                = null;
 public  String osName            = null;
 public  String appDir            = null;
 public  String desktopDir        = null;
 public  String programDir        = null;
 public  String installDir        = null;
 public  String OSVersion         = null;
 public  String objPath           = null;
 
//
// package includes
//

 public  String packageName       = "isotopDemo";
 public  String packageDir        = "isotopDemo";
 public  String productSupport    = "debug@isotop.net";
 public  String productContact    = "info@isotop.net";
 public  String productCompany    = "isotop Global Partnership";
 public  String packageExe        = "TimeSaver.exe";
 public  String packageIco        = "isotop.ico";
 public  String packageLnk        = "isotop Demo.lnk";
 public  String installFolder     = "C:\\Program Files\\isotopDemo\\";

 public  String packageSet        = "jInstaller.exe";
 public  String packageSetArg     = "/u";
 public  String packageSetLnk     = "Uninstall.lnk";
 public  String uninstallIco      = "un.ico";
 public  String startupLnk        = "Startup\\jInstaller.lnk";

 public  String packageLocation   = "package\\";
 public  String jvmLocation       = "jvm\\";

 private static String localFiles[]      = { "TimeSaver.exe", "isotop.cnt", "DemoData.ini", "dealerdata.dat", "isotop.gid", "isotop.hlp", "demodata.txt", "un.ico", "isotop.ico" };
 private static String systemFiles[]     = { "msstdfmt.dll", "msvbvm60.dll", "msvcrt.dll", "oledlg.dll", "riched20.dll", "riched32.dll", "actbar.ocx", "library.ocx", "synFormLock.ocx", "syngradient.ocx", "synrich.ocx", "synRichEd.ocx", "vsview6.ocx", "ssa3d30.ocx", "ssscrl30.ocx", "comdlg32.ocx", "richtx32.ocx" };
 private static String localRegister[]   = null;
 private static String systemRegister[]  = { "msstdfmt.dll" };
 private static String copyPackage[]     = null;

//
// win32 api
//

/** @dll.import("ole32", ole) */
  private static native com.ms.com.IUnknown CoInitialize (int pvReserved);

/** @dll.import("ole32", ole) */
  private static native com.ms.com.IUnknown CoUninitialize ();

/** @dll.import("shell32") */
  private static native int DllRegisterServer();

/** @dll.import("shell32") */
  private static native int DllUnregisterServer();

/** @dll.import("kernel32",auto) */
  private native static int LoadLibrary(String lpLibFileName);

/** @dll.import("kernel32",auto) */
  private native static int LoadLibraryEx(String lpLibFileName, int hFile, int dwFlags);

/** @dll.import("kernel32",auto) */
  private native static boolean FreeLibrary(int hLibModule);

/** @dll.import("kernel32",ansi) */
  private native static int GetProcAddress(int hModule, String lpProcName);

/** @dll.import("msjava") */
  private native static boolean call(int funcptr, String argument);

/** @dll.import("shell32") */
  private static native int SHBrowseForFolder(lib.shellx.BROWSEINFO bi);

/** @dll.import("shell32") */
  private static native boolean SHGetPathFromIDList(int pidl, StringBuffer path);

/** @dll.import("kernel32") */
  private native static boolean CopyFile(String pExistingFileName, String pNewFileName, boolean bFailIfExists);

// global instantces

 public  Properties sysProp            = System.getProperties();
 private Date   dt                     = new Date();
 public lib.libstr.strFactory ns       = new lib.libstr.strFactory();
 private lib.libsys.sysFactory sf      = new lib.libsys.sysFactory();

 public  int    checkResult            = -1;

// constants - shellx

 private static final int  BIF_VALIDATE         = 0x0020;
 private static final int  BIF_RETURNONLYFSDIRS = 0x0001;
 private static final int  BUFSIZ               = 1024;
 private static final int  MAX_PATH             = 1024;

// system path constants -- public

 public static final  int  USER_DESKTOP         = 0;
 public static final  int  APPLICATION_DATA     = 1;
 public static final  int  MY_DOCUMENTS         = 2;
 public static final  int  COOKIES              = 3;
 public static final  int  DESKTOP_DIRECTORY    = 4;
 public static final  int  FAVORITES            = 5;
 public static final  int  HISTORY              = 6;
 public static final  int  INTERNET_CACHE       = 7;
 public static final  int  PROGRAMS             = 8;
 public static final  int  RECENT               = 9;
 public static final  int  SENDTO               = 10;
 public static final  int  START_MENU           = 11;
 public static final  int  STARTUP              = 12;
 public static final  int  TEMPLATES            = 13;
 
// error codes -- public

 public static final  int  FATAL_EXCEPTION      = 0;
 public static final  int  SYSTEM_EXCEPTION     = 1;
 public static final  int  LINK_EXCEPTION       = 2;
 public static final  int  IO_EXCEPTION         = 3;
 public static final  int  LIB_EXCEPTION        = 4;
 public static final  int  LOAD_EXCEPTION       = 5;
 public static final  int  MAIL_EXCEPTION       = 6;
 public static final  int  INFO_EXCEPTION       = 7;
 public static final  int  REGISTRY_EXCEPTION   = 8;
 public static final  int  INSTALL_EXCEPTION    = 9;
 public static final  int  UNINSTALL_EXCEPTION  = 10;

// action indentifiers -- registry -- public

 public static final int  DLL_REGISTER          = 0;
 public static final int  DLL_UNREGISTER        = 1;

// action indentifiers -- io       -- public

 public static final int  IO_WRITE_LOCATION     = 0;
 public static final int  IO_READ_LOCATION      = 1;

// action indentifiers -- io -- copy source

 public static final int  IO_COPY_PACKAGE       = 0;
 public static final int  IO_COPY_SYSTEM        = 1;

// file attributes     -- io

 public static final String FileDescription        = "FileDescription=";
 public static final String Description            = "Description=";
 public static final String Language               = "Language=";
 public static final String FileType               = "FileType=";
 public static final String OperatingSystem        = "OperatingSystem=";
 public static final String MajorVersion           = "MajorVersion=";
 public static final String MinorVersion           = "MinorVersion=";
 public static final String InternalName           = "InternalName=";
 public static final String BuildNumber            = "BuildNumber=";
 public static final String FileVersion            = "FileVersion=";
 public static final String BuildIncrement         = "BuildIncrement=";
 public static final String ProductVersion         = "ProductVersion=";
 public static final String ComapnyName            = "ComapnyName=";
 public static final String LegalCopyright         = "LegalCopyright=";
 public static final String ProductName            = "ProductName=";
 public static final String OriginalFilename       = "OriginalFilename=";
 public static final String ProductVersionNumber   = "ProductVersionNumber=";