menuIsUp = 1;
isScrolledIn = 1;
menuNameArray = new Array("menu0");

function subMenu(whichone) {  
  if (isScrolledIn) {
     if (menuIsUp) {
       menuOff();
       var menu = document.getElementById(whichone);
       menu.style.visibility = 'visible';
	   menuIsUp = false;
	 } else {
	   menuOff();
	   menuIsUp = true;
	 }
  }
}

function menuOff() {
  for (i = 0; i < menuNameArray.length; i++) {
	var menu = document.getElementById(menuNameArray[i]);
	menu.style.visibility = 'hidden';
	menuIsUp = true;
  } 
}

/*

OLD CODE

function subMenu(whichone) {  
  if (isScrolledIn) {
     if (menuIsUp) {
       menuOff();
       elm = eval("document.getElementById('"+ whichone + "')");
       styleObj = new xbStyle(elm);
       styleObj.setVisibility('visible');
	   menuIsUp = false;
	 } else {
	   menuOff();
	   menuIsUp = true;
	 }
  }
}

function menuOff() {
  for (i = 0; i < menuNameArray.length; i++) {
     elm = eval("document.getElementById('"+ menuNameArray[i] + "')");
     styleObj = new xbStyle(elm);
     styleObj.setVisibility('hidden');
	 menuIsUp = true;
  } 
}
function sidemenuOff(){
	sidemenu.style.visibility = 'hidden';
	sidemenu2.style.visibility = 'hidden';
}

*/