var caption='hola';
function getCaption(id){
	//alert('refresh');
	//var caption;
	_objetus = objetus1();
    _values_send = "id="+id;
    _URL_ = "/asesor/admin/img_caption_get.php";
    _objetus.open("GET",_URL_+"?"+_values_send+"&claro="+Math.random(0,99999999999999999),true);
	_objetus.setRequestHeader('Content-Type','text/html; charset=iso-8859-1');
	_objetus.setRequestHeader('Cache-Control', 'no-cache');
	_objetus.setRequestHeader('Expires', '-1');
	_objetus.onreadystatechange=function() {
        if (_objetus.readyState==4){
			  caption=_objetus.responseText;
			  if(_objetus.status==200){
					caption=_objetus.responseText;
			  }
        }
		 return caption;
    }
    _objetus.send(null);
	return caption
}