var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS6 = (bName == "Netscape" && bVer >= 5);
 var NS4 = (bName == "Netscape" && bVer >= 4 && bVer < 5);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
 window.onerror = null;
 var menuActive = 0
 var menuOn = 0
 var onLayer = ""
 var oldOnLayer = ""
 var timeOn = null // LAYER SWITCHING CODE
 if (NS4 || IE4 || NS6) {
	 if (navigator.appName == "Netscape" && !document.getElementById){
		 layerStyleRef="layer.";
		 layerRef="document.layers";
		 styleSwitch="";
		 layerVis="show";
		 layerHid="hide";
	 }
	 else if (!document.all && document.getElementById) {
		 layerStyleRef="layer.style.";
		 layerRef="document.getElementById";
		 styleSwitch=".style";
		 layerVis="visible";
		 layerHid="hidden";
	 }
	 else {
		 layerStyleRef="layer.style.";
		 layerRef="document.all";
		 styleSwitch=".style";
		 layerVis="visible";
		 layerHid="hidden";
	 }
 }
// SHOW MENU
function shLayer(layerName){
 img = getImage("ImgMapa");
 x = getImagePageLeft(img)-300;
 y = getImagePageTop(img)-200;
 y2 = getImagePageTop(img)+85;
 if (NS4 || IE4 || NS6) {
   if (timeOn != null) {
		 clearTimeout(timeOn);
		 hideLayer(onLayer);
   }
   if (NS4 || IE4) {

	 eval(layerRef+'["'+layerName+'/01"]'+styleSwitch+'.visibility="'+layerVis+'"');
	 eval(layerRef+'["'+layerName+'/01"]'+styleSwitch+'.top="'+y+'"');
	 eval(layerRef+'["'+layerName+'/01"]'+styleSwitch+'.left="'+x+'"');
	 
	 eval(layerRef+'["'+layerName+'/02"]'+styleSwitch+'.visibility="'+layerVis+'"');
	 eval(layerRef+'["'+layerName+'/02"]'+styleSwitch+'.top="'+y2+'"');
	 eval(layerRef+'["'+layerName+'/02"]'+styleSwitch+'.left="'+x+'"');
   } 
   if (NS6) {
 
	 eval(layerRef+'("'+layerName+'/01")'+styleSwitch+'.visibility="'+layerVis+'"');
	 eval(layerRef+'("'+layerName+'/01")'+styleSwitch+'.top="'+y+'"');
	 eval(layerRef+'("'+layerName+'/01")'+styleSwitch+'.left="'+x+'"');
	 
	 eval(layerRef+'("'+layerName+'/02")'+styleSwitch+'.visibility="'+layerVis+'"');
	 eval(layerRef+'("'+layerName+'/02")'+styleSwitch+'.top="'+y2+'"');
	 eval(layerRef+'("'+layerName+'/02")'+styleSwitch+'.left="'+x+'"');
   }
   onLayer = layerName;
   oldOnLayer = onLayer; 
 }
}
// HIDE MENU
function hideLayer(layerName){
 if (menuActive == 0) {
   if (NS4 || IE4) {
     eval(layerRef+'["'+layerName+'/01"]'+styleSwitch+'.visibility="'+layerHid+'"');
	 eval(layerRef+'["'+layerName+'/02"]'+styleSwitch+'.visibility="'+layerHid+'"');
   }
   if (NS6) {
     eval(layerRef+'("'+layerName+'/01")'+styleSwitch+'.visibility="'+layerHid+'"');
	 eval(layerRef+'("'+layerName+'/02")'+styleSwitch+'.visibility="'+layerHid+'"');
   }
 }
}

function hideLayerOld(){
if (oldOnLayer != "") {
   if (NS4 || IE4) {
     eval(layerRef+'["'+oldOnLayer+'/01"]'+styleSwitch+'.visibility="'+layerHid+'"');
	 eval(layerRef+'["'+oldOnLayer+'/02"]'+styleSwitch+'.visibility="'+layerHid+'"');
   }
   if (NS6) {
     eval(layerRef+'("'+oldOnLayer+'/01")'+styleSwitch+'.visibility="'+layerHid+'"');
	 eval(layerRef+'("'+oldOnLayer+'/02")'+styleSwitch+'.visibility="'+layerHid+'"');
   }
 }
}


// TIMER FOR BUTTON MOUSE OUT
function btnTimer() {
 timeOn = setTimeout("btnOut()",200)
}
// BUTTON MOUSE OUT
function btnOut(layerName) {
 if (menuActive == 0) {
 hideLayer(onLayer);
 }
}
// MENU MOUSE OVER 
function menuOver(itemName) {
 clearTimeout(timeOn);
 menuActive = 1;
}
// MENU MOUSE OUT 
function menuOut(itemName) {
 menuActive = 0 ;
 timeOn = setTimeout("hideLayer(onLayer)", 200);
}

function getImage(name) {
  if (NS4 || NS6) {
    return findImage(name, document);
  }
  if (IE4 || NS6)
    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 || NS6) {
    if (img.container != null)
      return img.container.pageX + img.x - 1;
    else
      return img.x - 1;
  }
  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 || NS6) {
    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;
}