var menuLen = new Array(6);
var menuAct = new Array(5);
var mainMenuAct = new Array(5);
var mainMenuLen = 5;
menuLen[0] = 6;
menuLen[1] = 4;
menuLen[2] = 5;
menuLen[3] = 6;
menuLen[4] = 3;


function moveCover(menu) {
  document.getElementById("menuCover" + menu).style.visibility = "hidden";
  document.getElementById("menuCover" + menu + "u").style.visibility = "visible";
}

function stopCover(menu) {
  if (!menuAct[parseInt(menu)]) {
    downCover(menu);
  }
}

function downCover(menu) {
    document.getElementById("menuCover" + menu).style.visibility = "visible";
    document.getElementById("menuCover" + menu + "u").style.visibility = "hidden";
}