var ie4=document.all;
var ns6=document.getElementById&&!document.all;
function OOCLShowMenu(MenuIDIndex)
{
    var MenuID = "MenuLayer" + MenuIDIndex;
    var MenuFrmID = "MenuFrm" + MenuIDIndex;
    var MenuTbleID = "MenuTbl" + MenuIDIndex;
	var MenuItemID = "menuItem" + MenuIDIndex;
    
    if(document.getElementById(MenuID) != null)
    {
        if (ie4||ns6)
        {
            var dropmenuobj=document.getElementById? document.getElementById(MenuID) : MenuID
            if(dropmenuobj.style.zIndex < 0)
                dropmenuobj.style.zIndex = 1;
        }
       document.getElementById(MenuFrmID).height = document.getElementById(MenuTbleID).offsetHeight;
       document.getElementById(MenuItemID).className = "mainNav_mouseover" ;
   }
}

function OOCLHideMenu(MenuIDIndex)
{
    var MenuID = "MenuLayer" + MenuIDIndex;
	var MenuItemID = "menuItem" + MenuIDIndex;
    if(document.getElementById(MenuID) != null)
    {
        if (ie4||ns6)
        {
            var dropmenuobj=document.getElementById? document.getElementById(MenuID) : MenuID
            if(dropmenuobj.style.zIndex > 0)
	            dropmenuobj.style.zIndex = -1;
        }
        document.getElementById(MenuItemID).className = "menuItem" ;
    }
}