// ****************** Código independiente **********************
window.onerror = null;
var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var NS4 = (bName == "Netscape" && bVer >= 4);
var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
var NS3 = (bName == "Netscape" && bVer < 4);
var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
var menuActive = 0
var menuOn = 0
var onLayer
var timeOn = null // LAYER SWITCHING CODE

if (NS4 || IE4) {
  if (navigator.appName == "Netscape") {
    layerStyleRef="layer.";
    layerRef="document.layers";
    styleSwitch="";
    layerVis="show";
    layerHid="hide";
  } else {
    layerStyleRef="layer.style.";
    layerRef="document.all";
    styleSwitch=".style";
    layerVis="visible";
    layerHid="hidden";
 }
}
// ****************** Fin de Código independiente ***************

function showTipBox(layerName,x,y){
  TipBoxTop = y;
  TipBoxLeft = x;
  if (NS4 || IE4) {
    if (timeOn != null) {
      clearTimeout(timeOn)
      hideLayer(onLayer)
    }
    if (NS4 || IE4) {
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerVis+'"');
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.top="'+TipBoxTop+'"');
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.left="'+TipBoxLeft+'"');
    } 
    onLayer = layerName
  }
}

function hideLayer(layerName) {
  if (menuActive == 0) {
    if (NS4 || IE4) {
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerHid+'"');
    }
  }
}// TIMER FOR TIP BOX MOUSE OUT

function linkTimer() {
  timeOn = setTimeout("btnOut()",100)
}// MOUSE OUT

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

function getImage(name) {
  if (NS4) {
    return findImage(name, document);
  }
  if (IE4)
    return eval('document.all.' + name);
  return null;
}

function findImage(name, doc) {
  var i, img;
  for (i = 0; i < doc.images.length; i++)
    if (doc.images[i].name == name)
      return doc.images[i];
  for (i = 0; i < doc.layers.length; i++)
    if ((img = findImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  return null;
}

function getImagePageLeft(img) {
  var x, obj;
  if (NS4) {
    if (img.container != null)
      return img.container.pageX + img.x;
    else
      return img.x;
  }
  if (IE4) {
    x = 0;
    obj = img;
    while (obj.offsetParent != null) {
      x += obj.offsetLeft;
      obj = obj.offsetParent;
    }
    x += obj.offsetLeft;
    return x;
  }
  return -1;
}

function getImagePageTop(img) {
  var y, obj;
  if (NS4) {
    if (img.container != null)
      return img.container.pageY + img.y;
    else
      return img.y;
  }
  if (IE4) {
    y = 0;
    obj = img;
    while (obj.offsetParent != null) {
      y += obj.offsetTop;
      obj = obj.offsetParent;
    }
    y += obj.offsetTop;
    return y;
  }
  return -1;
}