if (document.images) {
  var menu_home_on = new Image();
  menu_home_on.src = "Menu/menu_home.jpg";
  var menu_home_off = new Image();
  menu_home_off.src = "Menu/menu.jpg";

  var menu_luna_collection_on = new Image();
  menu_luna_collection_on.src = "Menu/menu_luna_collection.jpg";
  var menu_luna_collection_off = new Image();
  menu_luna_collection_off.src = "Menu/menu.jpg";

  var menu_squares_on = new Image();
  menu_squares_on.src = "Menu/menu_squares.jpg";
  var menu_squares_off = new Image();
  menu_squares_off.src = "Menu/menu.jpg"; 

  var menu_lentils_on = new Image();
  menu_lentils_on.src = "Menu/menu_lentils.jpg";
  var menu_lentils_off = new Image();
  menu_lentils_off.src = "Menu/menu.jpg";

  var menu_sand_dollars_on = new Image();
  menu_sand_dollars_on.src = "Menu/menu_sand_dollars.jpg";
  var menu_sand_dollars_off = new Image();
  menu_sand_dollars_off.src = "Menu/menu.jpg"; 

  var menu_triangles_on = new Image();
  menu_triangles_on.src = "Menu/menu_triangles.jpg";
  var menu_triangles_off = new Image();
  menu_triangles_off.src = "Menu/menu.jpg";

  var menu_pepitas_on = new Image();
  menu_pepitas_on.src = "Menu/menu_pepitas.jpg";
  var menu_pepitas_off = new Image();
  menu_pepitas_off.src = "Menu/menu.jpg";

  var menu_round_on = new Image();
  menu_round_on.src = "Menu/menu_round.jpg";
  var menu_round_off = new Image();
  menu_round_off.src = "Menu/menu.jpg";

  var menu_cubes_on = new Image();
  menu_cubes_on.src = "Menu/menu_cubes.jpg";
  var menu_cubes_off = new Image();
  menu_cubes_off.src = "Menu/menu.jpg";

  var menu_hearts_on = new Image();
  menu_hearts_on.src = "Menu/menu_hearts.jpg";
  var menu_hearts_off = new Image();
  menu_hearts_off.src = "Menu/menu.jpg";

  var menu_leaves_on = new Image();
  menu_leaves_on.src = "Menu/menu_leaves.jpg";
  var menu_leaves_off = new Image();
  menu_leaves_off.src = "Menu/menu.jpg";

  var menu_spirals_on = new Image();
  menu_spirals_on.src = "Menu/menu_spirals.jpg";
  var menu_spirals_off = new Image();
  menu_spirals_off.src = "Menu/menu.jpg";

  var menu_window_ovals_on = new Image();
  menu_window_ovals_on.src = "Menu/menu_window_ovals.jpg";
  var menu_window_ovals_off = new Image();
  menu_window_ovals_off.src = "Menu/menu.jpg";

  var menu_jeweled_collection_on = new Image();
  menu_jeweled_collection_on.src = "Menu/menu_jeweled_collection.jpg";
  var menu_jeweled_collection_off = new Image();
  menu_jeweled_collection_off.src = "Menu/menu.jpg";

  var menu_rectangle_collection_on = new Image();
  menu_rectangle_collection_on.src = "Menu/menu_rectangle_collection.jpg";
  var menu_rectangle_collection_off = new Image();
  menu_rectangle_collection_off.src = "Menu/menu.jpg";

  var menu_dogaressa_collection_on = new Image();
  menu_dogaressa_collection_on.src = "Menu/menu_dogaressa_collection.jpg";
  var menu_dogaressa_collection_off = new Image();
  menu_dogaressa_collection_off.src = "Menu/menu.jpg";

  var menu_marine_blue_collection_on = new Image();
  menu_marine_blue_collection_on.src = "Menu/menu_marine_blue_collection.jpg";
  var menu_marine_blue_collection_off = new Image();
  menu_marine_blue_collection_off.src = "Menu/menu.jpg";

  var menu_large_collection_on = new Image();
  menu_large_collection_on.src = "Menu/menu_large_collection.jpg";
  var menu_large_collection_off = new Image();
  menu_large_collection_off.src = "Menu/menu.jpg";                                 

  var menu_links_on = new Image();
  menu_links_on.src = "Menu/menu_links.jpg";
  var menu_links_off = new Image();
  menu_links_off.src = "Menu/menu.jpg";   

  var menu_contact_on = new Image();
  menu_contact_on.src = "Menu/menu_contact.jpg";
  var menu_contact_off = new Image();
  menu_contact_off.src = "Menu/menu.jpg";                                                                                                                                                                             
}


function act_home(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_home_on.src");
}

function inact_home(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_home_off.src");
}

function act_luna_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_luna_collection_on.src");
}

function inact_luna_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_luna_collection_off.src");
}

function act_squares(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_squares_on.src");
}

function inact_squares(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_squares_off.src");
}

function act_lentils(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_lentils_on.src");
}

function inact_lentils(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_lentils_off.src");
}

function act_sand_dollars(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_sand_dollars_on.src");
}

function inact_sand_dollars(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_sand_dollars_off.src");
}

function act_triangles(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_triangles_on.src");
}

function inact_triangles(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_triangles_off.src");
}

function act_pepitas(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_pepitas_on.src");
}

function inact_pepitas(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_pepitas_off.src");
}

function act_round(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_round_on.src");
}

function inact_round(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_round_off.src");
}

function act_cubes(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_cubes_on.src");
}

function inact_cubes(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_cubes_off.src");
}

function act_hearts(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_hearts_on.src");
}

function inact_hearts(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_hearts_off.src");
}

function act_leaves(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_leaves_on.src");
}

function inact_leaves(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_leaves_off.src");
}

function act_spirals(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_spirals_on.src");
}

function inact_spirals(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_spirals_off.src");
}

function act_window_ovals(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_window_ovals_on.src");
}

function inact_window_ovals(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_window_ovals_off.src");
}

function act_jeweled_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_jeweled_collection_on.src");
}

function inact_jeweled_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_jeweled_collection_off.src");
}

function act_rectangle_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_rectangle_collection_on.src");
}

function inact_rectangle_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_rectangle_collection_off.src");
}

function act_dogaressa_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_dogaressa_collection_on.src");
}

function inact_dogaressa_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_dogaressa_collection_off.src");
}

function act_marine_blue_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_marine_blue_collection_on.src");
}

function inact_marine_blue_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_marine_blue_collection_off.src");
}

function act_large_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_large_collection_on.src");
}

function inact_large_collection(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_large_collection_off.src");
}

function act_links(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_links_on.src");
}

function inact_links(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_links_off.src");
}

function act_contact(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_contact_on.src");
}

function inact_contact(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_contact_off.src");
}