function mmLoadMenus() {
  if (window.mm_menu_1111215435_0) return;
  window.mm_menu_1111215435_0 = new Menu("root",240,20,"Arial, Helvetica, sans-serif",14,"#ffcc99","#990000","#990000","#66ccff","left","middle",3,0,1000,0,0,false,true,true,5,true,true);
  mm_menu_1111215435_0.addMenuItem("Substancias simples","location='substancias_simples.htm'");
  mm_menu_1111215435_0.addMenuItem("Óxidos de metales","location='oxidos_basicos.htm'");
  mm_menu_1111215435_0.addMenuItem("Óxidos de no metales","location='oxidos_acidos.htm'");
  mm_menu_1111215435_0.addMenuItem("Compuestos metal - no metal","location='metal_no_metal.htm'");
  mm_menu_1111215435_0.addMenuItem("Compuestos no metal - no metal","location='no_metal_no_metal.htm'");
  mm_menu_1111215435_0.addMenuItem("Hidruros","location='hidruros.htm'");
  mm_menu_1111215435_0.addMenuItem("Hidrácidos","location='hidracidos.htm'");
  mm_menu_1111215435_0.addMenuItem("Hidrógeno con no metal","location='h_non_metal.htm'");
  mm_menu_1111215435_0.addMenuItem("Hidróxidos","location='hidroxidos.htm'");
  mm_menu_1111215435_0.addMenuItem("Oxácidos","location='oxacidos.htm'");
  mm_menu_1111215435_0.addMenuItem("Oxisales neutras","location='oxisales_neutras.htm'");
  mm_menu_1111215435_0.addMenuItem("Oxisales ácidas","location='oxisales_acidas.htm'");
   mm_menu_1111215435_0.fontWeight="bold";
   mm_menu_1111215435_0.hideOnMouseOut=true;
   mm_menu_1111215435_0.menuBorder=1;
   mm_menu_1111215435_0.menuLiteBgColor='#ffffff';
   mm_menu_1111215435_0.menuBorderBgColor='#555555';
   mm_menu_1111215435_0.bgColor='#999999';
  window.mm_menu_1111215112_1 = new Menu("root",207,20,"Arial, Helvetica, sans-serif",14,"#ffcc99","#990000","#990000","#66ccff","left","middle",3,0,1000,0,0,false,true,true,5,true,true);
  mm_menu_1111215112_1.addMenuItem("Inicio","location='index.html'");
  mm_menu_1111215112_1.addMenuItem("Introducción","location='introduccion.htm'");
  mm_menu_1111215112_1.addMenuItem("Número de oxidación","location='numero_oxidacion.htm'");
  mm_menu_1111215112_1.addMenuItem("Mecánica de la formulación","location='mecanica.htm'");
  mm_menu_1111215112_1.addMenuItem("Tipos de substancias","location='tipos_de_substancias.htm'");
   mm_menu_1111215112_1.fontWeight="bold";
   mm_menu_1111215112_1.hideOnMouseOut=true;
   mm_menu_1111215112_1.menuBorder=1;
   mm_menu_1111215112_1.menuLiteBgColor='#ffffff';
   mm_menu_1111215112_1.menuBorderBgColor='#555555';
   mm_menu_1111215112_1.bgColor='#999999';
    window.mm_menu_1111220016_2_1 = new Menu("Problemas de química",239,20,"Arial, Helvetica, sans-serif",14,"#ffcc99","#990000","#990000","#66ccff","left","middle",3,0,1000,0,0,false,true,true,5,true,true);
    mm_menu_1111220016_2_1.addMenuItem("Calculadora","location='calculadora.htm'");
    mm_menu_1111220016_2_1.addMenuItem("Unidades","location='unidades.htm'");
    mm_menu_1111220016_2_1.addMenuItem("Disoluciones y concentraciones","location='concentraciones.htm'");
    mm_menu_1111220016_2_1.addMenuItem("Ajuste de  reacciones","location='ajustar_reacciones.htm'");
    mm_menu_1111220016_2_1.addMenuItem("Composición y fómulas","location='composicion.htm'");
    mm_menu_1111220016_2_1.addMenuItem("Cálculos químicos","location='calculos_quimicos.htm'");
     mm_menu_1111220016_2_1.fontWeight="bold";
     mm_menu_1111220016_2_1.hideOnMouseOut=true;
     mm_menu_1111220016_2_1.menuBorder=1;
     mm_menu_1111220016_2_1.menuLiteBgColor='#ffffff';
     mm_menu_1111220016_2_1.menuBorderBgColor='#555555';
     mm_menu_1111220016_2_1.bgColor='#999999';
  window.mm_menu_1111220016_2 = new Menu("root",169,20,"Arial, Helvetica, sans-serif",14,"#ffcc99","#990000","#990000","#66ccff","left","middle",3,0,1000,0,0,false,true,true,5,true,true);
  mm_menu_1111220016_2.addMenuItem("Ejercicios","location='ejercicios.htm'");
  mm_menu_1111220016_2.addMenuItem("Tabla Periódica","location='tabla_periodica.htm'");
  mm_menu_1111220016_2.addMenuItem(mm_menu_1111220016_2_1,"location='problemas_de_quimica.htm'");
  mm_menu_1111220016_2.addMenuItem("Enlaces","location='vinculos.htm'");
   mm_menu_1111220016_2.fontWeight="bold";
   mm_menu_1111220016_2.hideOnMouseOut=true;
   mm_menu_1111220016_2.childMenuIcon="images/arrows.gif";
   mm_menu_1111220016_2.menuBorder=1;
   mm_menu_1111220016_2.menuLiteBgColor='#ffffff';
   mm_menu_1111220016_2.menuBorderBgColor='#555555';
   mm_menu_1111220016_2.bgColor='#999999';
 
  mm_menu_1111220016_2.writeMenus();
} // mmLoadMenus()