var _aMenuItems = ["subMenuExcel", "subMenuLegacy",  "subMenuFeatures", "subMenuAPAS", "subMenuSeabury"];
var _elDefMenu;// menu item corresponding with currently loaded page
var _elCurrMenu;// tracks current mouseovr element


function initMenu() {
	var el = document.getElementById("firstLevelNav");
  var aLI = el.getElementsByTagName("li");

  for(var i=0, iLen=aLI.length; i<iLen; i++) {
  	// found the main menu item that's currently selected?
		if(aLI[i].className.indexOf("selected") > -1) {
     	// now find the container with the submenu items
     	_elDefMenu = aLI[i].getElementsByTagName("div")[0];
        break;// done looping
     }
  }
}

function mgrMenu(sSubMenuId) {
	var elCur = document.getElementById(sSubMenuId);
  var elTmp, sCssDisplay;

  if(elCur) {
  	_elCurrMenu = elCur;

      for(var i=0, iLen=_aMenuItems.length; i<iLen; i++) {
      	sCssDisplay = "none";
      	elTmp = document.getElementById(_aMenuItems[i]);

         if( (elCur == elTmp) ) {
         	sCssDisplay = "block";
         }

         if(elTmp) elTmp.style.display = sCssDisplay;     
      }
  }

  if(sSubMenuId == 'out') {
		_elCurrMenu.style.display = "none";     
		_elDefMenu.style.display = "block";     
  }
}