ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

if (ns4) 
  document.write('<link rel="stylesheet" href="/css/estilos_ns.css" type="text/css">');
else 
  document.write('<link rel="stylesheet" href="/css/estilos.css" type="text/css">');
  
function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

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);

function MM_swapImage() { //v3.11 Ochoto 19/03/01 05:34p.m. Bugfix imagenes sin preload
  var i,j=0,x,a=MM_swapImage.arguments, d=document; d.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){d.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src = d.MM_p ? (d.MM_p[a[i+2]] ? d.MM_p[a[i+2]].src : a[i+2]) : a[i+2];}
}
function MM_swapImgRestore() {
  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() { //v3.1 Ochoto
  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[a[i]]=new Image(); d.MM_p[a[i]].src=a[i];j++; }}
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function get_params (qs)
{
  var s = qs;
  if (qs.indexOf("?")==0) {
    s = qs.substring(1);
  }
  var p = s.split(/&/);
  var pht={};
  if (typeof p!="undefined") {
    for(var i=0;i<p.length;i++) {
      var av=p[i].split(/=/);
      if (typeof av!="undefined") {
        pht[av[0]]=av[1];
      }
    }
  }
  return pht;
}