// *****************************************************************************
var cur_nav_main_menu = null;
var cur_nav_main_submenu = null;
var cur_nav_main_list1 = null;
var cur_nav_main_list2 = null;
function navnew(menuid) {
    if (cur_nav_main_menu != null) {
        cur_nav_main_menu.src = cur_nav_main_menu.src.replace("_on.gif", ".gif");
    }
    var img = document.getElementById("main_nav_" + menuid);
 var SubMenus  = null; 
 var i_order = 0; 
  switch( menuid ){
   case "284" :
    i_order = 0; 
    break; 
   case "438" :
    i_order = 1; 
    break; 
   case "302" :
    i_order = 2; 
    break; 
   case "310" :
    i_order = 3; 
    break;
   case "436" :
    i_order = 4; 
    break;
   case "365" :
    i_order = 5; 
    break;
  }
    SubMenus = document.getElementsByName("main_nav_sub"+i_order);
    if (SubMenus != null )
    {
       img.src = img.src.replace(".gif", "_on.gif");
     cur_nav_main_menu = img;
     for(var j=0; j < 5; j++){
      SubMenus = document.getElementById("main_nav_sub"+j);
      SubMenus.style.display = "block";
     }
    }
  
  
  
    
}

function changeClassSubMenu(obj, clsName) {
    if (cur_nav_main_submenu != null) {
        cur_nav_main_submenu.style.color = "#000000";
        cur_nav_main_submenu.parentElement.className = "submenuoff";
    }
    obj.style.color = clsName == "submenuon" ? "#ffffff" : "#000000";
    obj.parentElement.className = clsName;
    cur_nav_main_submenu = obj;
}

function displayMainMenu(val) {
    document.getElementById("nav_main_menu").style.display = val;
}

function displaySubMenu(val) {
 for(var j = 0; j < 5; j++){
   var SubMenus = document.getElementsByName("main_nav_sub"+j);
   
   if ( SubMenus.length == 0 &&  document.getElementById("main_nav_sub"+j) )
   {
   document.getElementById("main_nav_sub"+j).style.display = val;
   }else{
   for (var i = 0; i < SubMenus.length; i++) {
    SubMenus[i].style.display = val;
   }
   }
 }
   
}

function displaySubMenu_sub(idx, val) {
 var SubMenus = document.getElementsByName("main_nav_sub"+idx);
  if ( SubMenus.length == 0 &&  document.getElementById("main_nav_sub"+idx) )
  {
  document.getElementById("main_nav_sub"+idx).style.display = val;
  }else{
   for (var i = 0; i < SubMenus.length; i++) {
    SubMenus[i].style.display = val;
   }
  }     
}