titulos = ""; n = document.getElementsByTagName("TITLE").length; for(i = 0; i < n; i++) titulos += document.getElementsByTagName("TITLE")[i].childNodes[0].nodeValue + "
"; precios = ""; n = document.getElementsByTagName("PRICE").length; for(i = 0; i < n; i++) precios += document.getElementsByTagName("PRICE")[i].childNodes[0].nodeValue + " €
"; companias = ""; n = document.getElementsByTagName("COMPANY").length; for(i = 0; i < n; i++) companias += document.getElementsByTagName("COMPANY")[i].childNodes[0].nodeValue + "
";