var hideTimer = new Array(6);
var currentMenuLayer = new Array(6);

function showMenu(num){
  window.clearTimeout(hideTimer[num]);
  for(var i=0; i<6; i++){
   if(i!=num)
      hideMenuNow(i);
  }
  currentMenuLayer[num] = new eMBLayer("mainNav"+num);
  currentMenuLayer[num].show();
}
function hideMenu(num){
  hideTimer[num] = eval("window.setTimeout('currentMenuLayer["+num+"].hide()',4000)");
}
function hideAllMenu(){
  for(var i=0; i<6; i++){
   hideMenuNow(i);
  }
}
function killTimer(num){
  window.clearTimeout(hideTimer[num]);
}
function hideMenuNow(num){
  if(currentMenuLayer[num])
    currentMenuLayer[num].hide();
}
function hideAllMenus(){
  for(var i=0; i<6; i++)
      hideMenuNow(i);
}

function highlight(elem){
}