var referenciaEstilo;
var capaVisible;
var navegador;
var capaActual;
var capaFija;
var retardo;

if (navigator.appName == "Netscape") {
  referenciaEstilo = "";
  capaVisible="show";
  navegador = "Netscape"; }
else {
  referenciaEstilo = "style.";
  capaVisible="visible";
  navegador = "Explorer"; }
function nada() {}
function referenciaCapa(nombreCapa) {
  if (navegador=="Netscape")
    return "document.layers['"+nombreCapa+"'].";
  else
    return "document.all['"+nombreCapa+"'].";
}

function referenciaPixels(pixels) {
  if (navegador=="Netscape")
    return parseInt(pixels);
  else
    return "'"+pixels+"px'";
}
function ocultarCapa(nombreCapa) {
    eval(referenciaCapa(nombreCapa)+referenciaEstilo+'visibility = "hidden"');
  }
  function mostrarCapa(nombreCapa) {
    eval(referenciaCapa(nombreCapa)+referenciaEstilo+'visibility = "visible"');
  }
 	function iniciar(nomcapa)
	{
		capaFija = nomcapa;
		capaActual = nomcapa;
		mostrar(nomcapa);
	}
  function mostrar(capa) {
	 clearTimeout(retardo);
	ocultarCapa("sub"+capaActual);
	capaActual = capa;
    mostrarCapa("sub"+capa);
    //moverCapa("contorno",coords[capa*2],coords[(capa*2)+1]);
    //mostrarCapa("contorno");
  }
  function ocultarRetardo(){
	  clearTimeout(retardo);
	  retardo = setTimeout("mostrar(capaFija)",3000);  
  }
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);