initInstall("Mozilla Calendar", "/Mozilla/Calendar", "0.7");

calendarDir = getFolder("Chrome","calendar");

setPackageFolder(calendarDir);

var err = addDirectory("", "resources", getFolder("Chrome","calendar"), "" );

addDirectory("", "components", getFolder( "Components" ), "" );

if ( err == SUCCESS ) { 
  var calendarContent = getFolder(calendarDir, "content");
  var calendarSkin    = getFolder(calendarDir, "skin");
  var calendarLocale  = getFolder(calendarDir, "locale");

  var returnval = registerChrome(CONTENT | DELAYED_CHROME, calendarContent );
  var returnval = registerChrome(SKIN | DELAYED_CHROME, calendarSkin, "modern/");
  var returnval = registerChrome(LOCALE | DELAYED_CHROME, calendarLocale, "en-US/");
  
  err = performInstall();
  if ( err == SUCCESS ) {
    alert("The Mozilla Calendar has been succesfully installed. \n"
      +"Please restart your browser to continue.");
  }
  else { 
    alert("performInstall() failed. \n"
    +"_____________________________\nError code:" + err);
    cancelInstall(err);
  }
} 
else { 
  alert("Failed to create directory. \n"
    +"You probably don't have appropriate permissions \n"
    +"(write access to mozilla/chrome directory). \n"
    +"_____________________________\nError code:" + err);
    cancelInstall(err);
}