//script used for drop down menus under banner
window.onerror = null;
var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
var menuActive = 0;
var menuOn = 0;
var onLayer;
var timeOn = null;

function showLayer(layerName,aa){
  var x =document.getElementById(aa); 
  var tt =findPosX(x);	
  var ww =findPosY(x)+43; 
  if (timeOn != null) { clearTimeout(timeOn); hideLayer(onLayer); }
  if (IE4) {
    var layers = eval('document.all["'+layerName+'"].style');
    layers.left = tt; eval('document.all["'+layerName+'"].style.visibility="visible"'); }
  else {
    if(document.getElementById){
      var elementRef = document.getElementById(layerName);
      if((elementRef.style)&& (elementRef.style.visibility!=null)){
        elementRef.style.visibility = 'visible'; elementRef.style.left = tt;
        elementRef.style.top = ww; }
      }
    } //else
  onLayer = layerName }

function hideLayer(layerName){
  if (menuActive == 0) {
    if (IE4){ eval('document.all["'+layerName+'"].style.visibility="hidden"'); } 
    else{
      if(document.getElementById){
        var elementRef = document.getElementById(layerName); 
        if((elementRef.style)&& (elementRef.style.visibility!=null)){ elementRef.style.visibility = 'hidden'; } }
      }
    }
  }

function btnTimer() {
timeOn = setTimeout("btnOut()",600) }

function btnOut(layerName){
  if (menuActive == 0){ hideLayer(onLayer) } }

var item;
function menuOver(itemName,ocolor){
  item=itemName; itemName.style.backgroundColor = ocolor; //background color change on mouse over 
  clearTimeout(timeOn); menuActive = 1 }

function menuOut(itemName,ocolor){
  if(item) itemName.style.backgroundColor = ocolor;
  menuActive = 0
  timeOn = setTimeout("hideLayer(onLayer)", 100) }

function findPosX(obj) {
  var curleft = 0;
  if (obj.offsetParent) { 
    while (obj.offsetParent) { curleft += obj.offsetLeft; obj = obj.offsetParent; } }
  else if (obj.x) curleft += obj.x;
  return curleft-98; }

function findPosY(obj) {
  var curtop = 0;
  if (obj.offsetParent) {
    while (obj.offsetParent) { curtop += obj.offsetTop; obj = obj.offsetParent; } }
  else if (obj.y) curtop += obj.y;
  return curtop; }