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_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 creaAjax(){
         var objetoAjax=false;
         try {
          /*Para navegadores distintos a internet explorer*/
          objetoAjax = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
          try {
                   /*Para explorer*/
                   objetoAjax = new ActiveXObject("Microsoft.XMLHTTP");
                   }
                   catch (E) {
                   objetoAjax = false;
          }
         }

         if (!objetoAjax && typeof XMLHttpRequest!='undefined') {
          objetoAjax = new XMLHttpRequest();
         }
         return objetoAjax;
}

function FAjax(url,capa,valores) {
	var ajax=creaAjax();
	var capaContenedora = document.getElementById(capa);
	
	ajax.open ('POST', url, true);
	ajax.onreadystatechange = function() {
		if (ajax.readyState==1) {
			capaContenedora.innerHTML="Cargando.......";
		} else if (ajax.readyState==4) {
			if(ajax.status==200) {
				document.getElementById(capa).innerHTML=ajax.responseText;
			} else if(ajax.status==404) {
				capaContenedora.innerHTML = "La direccion no existe";
			} else {
				capaContenedora.innerHTML = "Error: ".ajax.status;
			}
		}
    }
	ajax.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	ajax.send(valores);
	return;
}

<!-- Carga una layer con el flash como agendar -->
function DemoBrasil(){
	objeto_cargar = "<div id=\"comoAgendar\"></div>";
	document.getElementById('pop').innerHTML = objeto_cargar;
	
	var obj = document.getElementById('sombragrisalpha');
	obj.style.top="0px";
	obj.style.left="0px";
	obj.style.width="100%";
	obj.style.height=document.body.clientHeight+"px";

	FAjax('roamingintBrasil.php','comoAgendar','');
}
function DemoArgentina(){
	objeto_cargar = "<div id=\"comoAgendar\"></div>";
	document.getElementById('pop').innerHTML = objeto_cargar;
	
	var obj = document.getElementById('sombragrisalpha');
	obj.style.top="0px";
	obj.style.left="0px";
	obj.style.width="100%";
	obj.style.height=document.body.clientHeight+"px";

	FAjax('roamingintArgentina.php','comoAgendar','');
}
function DemoInteractivo(){
	objeto_cargar = "<div id=\"comoAgendar\"></div>";
	document.getElementById('pop2').innerHTML = objeto_cargar;
	
	var obj = document.getElementById('sombragrisalpha');
	obj.style.top="0px";
	obj.style.left="0px";
	obj.style.width="100%";
	obj.style.height=document.body.offsetHeight +"px";
//	obj.style.height="1024px";
	//obj.style.height="100%";

	var obj2 = document.getElementById('pop2');
	obj2.style.top="0px";
	obj2.style.marginLeft="-375px";
	obj2.style.marginTop="-100px";
	obj2.style.left="50%";

	obj2.style.display="block"; //dd
	

 

	FAjax('demoInteractivo.php','comoAgendar','');
}

function ocultarDemo(){
//	document.getElementById('pop').innerHTML = "";
	var obj = document.getElementById('sombragrisalpha');
	obj.style.top="100%";
	obj.style.left="100%";
	obj.style.width="0px";
	obj.style.height="0px";

	var obj2 = document.getElementById('pop2');
	obj2.style.display="none";

}