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_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_showHideLayers() { //v6.0
  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 carga_ventana(web_ventana,resx,resy,posx,posy,scrol) {
        var ancho_interface=10
        var alto_interface=29   
        if ((posx==-1) && (posy==-1))
        {
                var tamx=screen.width;
                var tamy=screen.height;
                posx=(tamx-(resx+ancho_interface))/2;
                posy=(tamy -(resy+alto_interface))/2;
        }
        
        var inicioNombre = web_ventana.lastIndexOf('/')+1;
        var nombre_ventana = web_ventana.substring(inicioNombre,web_ventana.lastIndexOf('.'));
                
        var cadena_opciones="width=" + resx + ",height=" + resy + ",left=" + posx + ",top=" + posy +((scrol)?",scrollbars=yes":"");
        var vent= window.open(web_ventana,nombre_ventana,cadena_opciones);
}