Código HTML:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <title>Navegador ftp</title> </head> <body> <script LANGUAGE="javascript"> <!-- function cambio(){ window.location.replace('ftp://' + document.form1.user.value + ':' + document.form1.pass.value + '@ftp.servage.net/'); } //--> </script> <form id="form1" name="form1" method="post" onsubmit="cambio();"> <label>user: <input name="user" type="text" id="user" /> </label> <br /> <label>pass: <input name="pass" type="password" id="pass" /> </label> <br /> <label> <input type="submit" name="Submit" value="Enviar" /> </label> </form> </body> </html>