Button disable | Pagina 2

echo '<form action="?page=advertentie%2Fadd" method="post" name="formulier" onsubmit="wachten()"> 

echo '<form action="?page=advertentie%2Fadd" method="post" name="formulier" onsubmit="wachten()">

echo $_GET['page'];

echo $_GET['page'];

advertentie/add

advertentie/add

<?php
if($_POST['submit']) {
echo 'Hij doet het!'; //Form dus hier
} else {
//Als ik op verzend klik blijft hij hier!
echo '<form action="?page=test" method="post" name="form" onsubmit="document.forms.form.submit.disabled=\'true\'; return true;">
      <table>
      <tr><td>Input</td><td><input name="input" type="text"></td></tr>
      <tr><td>&nbsp;</td><td><input name="submit" type="submit" value="Verzenden"></td></tr>
      </table>
      </form>';
}
?>

<?php
if($_POST['submit']) {
echo 'Hij doet het!'; //Form dus hier
} else {
//Als ik op verzend klik blijft hij hier!
echo '<form action="?page=test" method="post" name="form" onsubmit="document.forms.form.submit.disabled=\'true\'; return true;">
      <table>
      <tr><td>Input</td><td><input name="input" type="text"></td></tr>
      <tr><td>&nbsp;</td><td><input name="submit" type="submit" value="Verzenden"></td></tr>
      </table>
      </form>';
}
?>