/*
  --- menu items --- 
*/
var MAIN_MENU_ITEMS = [
	['Introduction','index.html'],
  ['Main Page', 'homepage.html'],
	['Second Set', 'pagequarter.html'],
	['Inverse Images', 'pagehalf.html'],
	['Notes Page', 'notes.html'
	['Non-ELS Page', 'non-ELS.html'],
	['Page Two', 'pageone.html'],
	['Page Three', 'pagetwo.html'],
	['Page Four', 'pagethree.html'],
	['Bibliography', 'biblio.html'],
  ];