// spectecs JQuery

this.m_realtime_dollar_refresh = function(with_timeout){

  var url = "http://www.grupoaval.com/portales/jsp/grafica.jsp?height=200&width=206&tipoGrafica=1&ind1=5&ind2=&decimal=2&color1=003366&color2=&tiempoActualizacion=40000";
  var rk = new Date();
  rk = Date.UTC(rk.getUTCFullYear(),
                rk.getUTCMonth(),
                rk.getUTCDay(),
                rk.getUTCHours(),
                rk.getUTCMinutes(),
                rk.getUTCSeconds(),
                rk.getUTCMilliseconds());
  var urlnew = url + "&rk=" + rk;

  var target = $('img#m_realtime_dollar_graph');
  target.attr('src',urlnew);
  target.attr('height',200);
  target.attr('width',206);

  if ( with_timeout )
    setTimeout("this.m_realtime_dollar_refresh(true)",60000);
};

// starting the script on page load
$(document).ready(function(){
  m_realtime_dollar_refresh(true);
});