var SM_SubMenuVisible;
var SM_tmr;
var SM_SubMenu=null;

function SM_ShowSubMenu(id)
{
  var subMenu=document.getElementById(id);
  if(subMenu)
  {
    if(subMenu!=SM_SubMenu&&SM_SubMenu!=null)
    {
      SM_SubMenu.style.display="none";
    }
    var li=subMenu.parentNode;
    if(li)
    {
      subMenu.style.left=(__FindPosX(li)-41)+"px";
      subMenu.style.top=(__FindPosY(li)+28)+"px";
      subMenu.style.display="block";      
      SM_SubMenu=subMenu;
      SM_SubMenuVisible=true;
    }  
  }    
}

function SM_HideSubMenu()
{
  SM_SubMenuVisible=false;
  SM_tmr=window.setInterval(SM_HideSubMenuTimed,50);  
}
function SM_HideSubMenuTimed()
{
  window.clearInterval(SM_tmr);
  if(!SM_SubMenuVisible&&SM_SubMenu)
  {
    SM_SubMenu.style.display="none";
  }
}