The menu bar below can be activated by simply moving the cursor over the menu bar item, instead of clicking the menu bar item.

Source code for creating menu bars and menus in this page:

function createjsDOMenu() {
  absoluteMenu1 = new jsDOMenu(120, "absolute");
  with (absoluteMenu1) {
    addMenuItem(new menuItem("Item 1", "", "blank.htm"));
    addMenuItem(new menuItem("Item 2", "item2", "blank.htm"));
    addMenuItem(new menuItem("Item 3", "", "blank.htm"));
    addMenuItem(new menuItem("-"));
    addMenuItem(new menuItem("Item 4", "", "blank.htm"));
    addMenuItem(new menuItem("Item 5", "", "blank.htm"));
  }
  
  absoluteMenu1_1 = new jsDOMenu(130, "absolute");
  with (absoluteMenu1_1) {
    addMenuItem(new menuItem("Item 1", "", "blank.htm"));
    addMenuItem(new menuItem("-"));
    addMenuItem(new menuItem("Item 2", "", "blank.htm"));
    addMenuItem(new menuItem("Item 3", "", "blank.htm"));
    addMenuItem(new menuItem("-"));
    addMenuItem(new menuItem("Item 4", "", "blank.htm"));
  }
  
  absoluteMenu2 = new jsDOMenu(120, "absolute");
  with (absoluteMenu2) {
    addMenuItem(new menuItem("Item 1", "", "blank.htm"));
    addMenuItem(new menuItem("Item 2", "", "blank.htm"));
    addMenuItem(new menuItem("Item 3", "", "blank.htm"));
    addMenuItem(new menuItem("-"));
    addMenuItem(new menuItem("Item 4", "item4", "blank.htm"));
  }
  
  absoluteMenu2_1 = new jsDOMenu(150, "absolute");
  with (absoluteMenu2_1) {
    addMenuItem(new menuItem("Item 1", "", "blank.htm"));
    addMenuItem(new menuItem("-"));
    addMenuItem(new menuItem("Item 2", "", "blank.htm"));
    addMenuItem(new menuItem("Item 3", "", "blank.htm"));
    addMenuItem(new menuItem("Item 4", "", "blank.htm"));
    addMenuItem(new menuItem("Item 5", "", "blank.htm"));
  }
  
  absoluteMenu3 = new jsDOMenu(140, "absolute");
  with (absoluteMenu3) {
    addMenuItem(new menuItem("Item 1", "item1", "blank.htm"));
    addMenuItem(new menuItem("Item 2", "", "blank.htm"));
    addMenuItem(new menuItem("-"));
    addMenuItem(new menuItem("Item 3", "", "blank.htm"));
    addMenuItem(new menuItem("Item 4", "", "blank.htm"));
  }
  
  absoluteMenu3_1 = new jsDOMenu(150, "absolute");
  with (absoluteMenu3_1) {
    addMenuItem(new menuItem("Item 1", "", "blank.htm"));
    addMenuItem(new menuItem("-"));
    addMenuItem(new menuItem("Item 2", "", "blank.htm"));
    addMenuItem(new menuItem("-"));
    addMenuItem(new menuItem("Item 3", "", "blank.htm"));
    addMenuItem(new menuItem("-"));
    addMenuItem(new menuItem("Item 4", "", "blank.htm"));
    addMenuItem(new menuItem("Item 5", "", "blank.htm"));
  }
  
  absoluteMenu1.items.item2.setSubMenu(absoluteMenu1_1);
  absoluteMenu2.items.item4.setSubMenu(absoluteMenu2_1);
  absoluteMenu3.items.item1.setSubMenu(absoluteMenu3_1);
  
  absoluteMenuBar = new jsDOMenuBar("static", "staticMenuBar");
  with (absoluteMenuBar) {
    addMenuBarItem(new menuBarItem("Item 1", absoluteMenu1));
    addMenuBarItem(new menuBarItem("Item 2", absoluteMenu2));
    addMenuBarItem(new menuBarItem("Item 3", absoluteMenu3));
    setActivateMode("over");
  }
}