var t = setTimeout("",200);



function showNav(menu)

{

	var menuClass = findDOM(menu,1);

	menuClass.visibility = "visible";

}



function hideAllNav() 

{

	var layerArray = new Array(

	"tot_serv_sup", "tot_serv_suptext",

	"tech_prod_in","tech_prod_intext",

	"wise", "wisetext",

	"market_supp","market_supptext",

	"fleet","fleettext");

	for (var i = 0; i < layerArray.length; i++)

	{

		layerArray[i] = findDOM(layerArray[i], 1);

		layerArray[i].visibility = "hidden";

	}

}



function shutDown(off)

{

    if (off) 

    { 

        clearTimeout(t);

    } else 

    {

        t = setTimeout("hideAllNav()", 200);

    }

}



function setNav(layerID)

{

	hideAllNav();

	showNav(layerID);

	showNav(layerID + "text");

}