var gtrr_num_ads=4; 
var google_ad_channel='invertia,z-invertia'; 
var gtrr_w = '100%'; 
var gtrr_h = 120; 
var gtrr_w1=100; 
var gtrr_h1=125; 
var gtrr_previo=false; 
var google_language='es'; 
document.write('<' + 'script type="text/javascript" language="JavaScript" src="http://servicios.invertia.com/foros/js/gtrr_foros_portada.js">' + '</' + 'script>');