rendered paste body <script type="text/javascript" language="javascript"> function isValidEmail() { var str = document.form1.nl_email.value; var mail = (str.indexOf(".") > 2) && (str.indexOf("@") > 0); if(!mail) { alert("Vennligst fyll inn en gyldig email adresse!"); return false; } else { document.form1.submit(); } } </script> <form id="form1" name="form1" method="post" action="http://www.sellsyversen.no/kunder/100prosent/newsletter/insert.php"> E-post: <label><input name="nl_email" type="text"></label> <input name="nl_header" value="http://www.100prosentrisor.no/nyhetsbrev_confirm.htm" type="hidden"> <input name="nl_do" value="do" type="hidden"> <br /> <br /> <p class="lesmer"><a href="# Trykk for å melde deg på #" onClick="javascript: isValidEmail();">: REGISTRER DEG HER</a></p> </form> </p>