// open new window
function openWindow(url, name, rs, sb, w, h) {
  var resize = "";
  if (rs) {
    resize = "resizable,";
  }
  popupWin = window.open(url, name, 'scrollbars=' + sb + ',menubar=no,' + 'width=' + w + ',height=' + h);
  popupWin.focus();
}

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; }
}

bname=navigator.appName
if ((bname.indexOf("Netscape")!=-1) && (navigator.appVersion.indexOf("4")!=-1))
	{	usethis="layer"	}
	else
	{	usethis="div"	}
if (bname.indexOf("Microsoft")!=-1)
	{	usethis="div"	}

function MM_HideAll() {
  MM_showHideLayers('encorto','','hide');
  MM_showHideLayers('lacolumna','','hide');
  MM_showHideLayers('consejospracticos','','hide');
  MM_showHideLayers('mercadotecnia','','hide');
  MM_showHideLayers('administracion','','hide');
  MM_showHideLayers('articulodeportada','','hide');
  MM_showHideLayers('finanzas','','hide');
  MM_showHideLayers('politica','','hide');
  MM_showHideLayers('negocios','','hide');
  MM_showHideLayers('deinteres','','hide');
  MM_showHideLayers('articuloespecial','','hide');
  MM_showHideLayers('emprendedores','','hide');
  MM_showHideLayers('nuevastecnologias','','hide');
}