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];}
}

// Activar opciones

function activarOpcion(seccion) {
  if (seccion == undefined) {
    var inicio = location.href.lastIndexOf('/'), fin, nom;

    if (location.href.lastIndexOf('_') !== -1) {
      fin = location.href.lastIndexOf('_');
    } else {
      fin = location.href.lastIndexOf('.');
    }
    nom = location.href.substring(inicio+1, fin);
  } else {
    nom = seccion;
  }

  if (location.href.lastIndexOf('dptoinmobiliario.php') == -1) {
    document.images[nom].src="images/" + nom + "_os.gif";
  }
  
  if (location.href.lastIndexOf('quienessomos.php') == -1) {
    document.images[nom + '_a'].src="images/" + nom + "_a_os.gif";
  }
}

// Abrir ventana

function abrirVentana(origen, nombre, parametros) {
    var vent = window.open(origen, nombre, parametros);
    vent.focus();
}

// Ampliar imagen

function ampliarImagen(imagen, texto) {
    var vent = window.open('imagen.php?img=' + imagen + '&tit=' + texto,'imagen','width=300,height=300');
    vent.focus()
}

// Redimensionar ventana de imágenes

function resizeWindow()  {
	window.resizeTo(document.images['foto'].width+6, document.images['foto'].height+85)
}