foldersTree = gFld("<b>GP3LIB</b>", "", "")
     insDoc(foldersTree, gLnk("GP3LIB", "", "main.html"))
aux1 = insFld(foldersTree, gFld("File List", "", "files.html"))
       insDoc(aux1, gLnk("gp3cygwin.c", "", "gp3cygwin_8c.html"))
       insDoc(aux1, gLnk("gp3lib.c", "", "gp3lib_8c.html"))
       insDoc(aux1, gLnk("gp3lib.h", "", "gp3lib_8h.html"))
       insDoc(aux1, gLnk("gp3linux.c", "", "gp3linux_8c.html"))
       insDoc(aux1, gLnk("gp3win.c", "", "gp3win_8c.html"))
aux1 = insFld(foldersTree, gFld("Modules", "", "modules.html"))
       insDoc(aux1, gLnk("Demo Program", "", "group__DEMO.html"))
       insDoc(aux1, gLnk("Platform Specific Routines", "", "group__PlatformSpecific.html"))
       insDoc(aux1, gLnk("Common Portable Routines", "", "group__Common.html"))
     insDoc(foldersTree, gLnk("Globals", "", "globals.html"))