var please_wait = null;

function open_url(target) 
{
	var indice = document.form1.opcion.selectedIndex;
	if (indice==1)
	{
		var url='libs/miembros_persona.inc.php';
	}
	else if (indice==2)
	{
		var url='libs/miembros_institucion.inc.php';
	}
 	if ( ! document.getElementById) 
	{
  		return false;
 	}

 	if (please_wait != null) 
	{
  		document.getElementById(target).innerHTML = please_wait;
 	}

 	if (window.ActiveXObject) 
	{
  		link = new ActiveXObject("Microsoft.XMLHTTP");
 	} else if (window.XMLHttpRequest) {
  		link = new XMLHttpRequest();
 	}

 	if (link == undefined) 
	{
  		return false;
 	}
 	link.onreadystatechange = function() 
	{ 
		response(url, target); 
	}
 	link.open("GET", url, true);
 	link.send(null);
}

function response(url, target) 
{
 	if (link.readyState == 4) 
	{
	 	document.getElementById(target).innerHTML = (link.status == 200) ? link.responseText : "Error en documento, favor avisar a luisgonzalez@cubo3.cl" + link.status;
	}
}

function set_loading_message(msg) {
 	please_wait = msg;
}