function checkacontactform() {
				var modele = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]{2,4}$/;
				var err = "Error(es) :\n";
				var email = document.getElementById('resp_mail').value;
				if (!modele.test(email))
					err+=" - su dirección email no es válida\n";
				if (document.getElementById('msg').value == '')
					err+=" - debe escribir su mensaje\n";
				if (err == "Error(es) :\n")
					return true;
				alert(err);
				return false;
		}

		document.write("<style>.a12gris{font-family: Arial;font-size: 14px;color: #333333;}.champ1{background-color:#ffffff;border:1px solid #0000cc;font-family: Arial;font-size: 12px;color: #333333;}</style>");
		document.write("<form name='acontact' method='post' action='http://tools.idoo.com/contact/send_mail.php' OnSubmit='return checkacontactform();'>");
		document.write("<input type='hidden' value='textosdecontabilidad' name='log'>");
		document.write("<input type='hidden' value='129196' name='id'>");
		document.write("<input type='hidden' value='"+document.location.href+"' name='return_url'>");
		document.write("<table cellspacing='5' cellpadding='0' style='border:3px solid #3333ff;'>");
		document.write("<tr>");
		document.write("<td class='a12gris'>Su e-mail</td>");
		document.write("<td><input class='champ1' type='text' id='resp_mail' name='resp_mail' size='30' value=''></td>");
		document.write("</tr>");
		document.write("<tr>");
		document.write("<td class='a12gris'>Asunto</td>");
		document.write("<td><input class='champ1' type='text' size='30' id='title' name='title' value=''></td>");
		document.write("</tr>");
		document.write("<tr>");
		document.write("<td class='a12gris' valign='top'>Mensaje</td>");
		document.write("<td><textarea class='champ1' cols='30' rows='6' name='msg' id='msg'></textarea></td>");
		document.write("</tr>");
		document.write("<tr>");
		document.write("<td colspan='2' align='right'><input type='submit' value='Enviar'></td>");
		document.write("</tr>");
		document.write("</table>");
		document.write("</form>");