<script type="text/javascript"> function change_button(my_button) { var button = document.getElementById(my_button); button.style.disabled = (document.style.diabled == true) ? false : true; } </script> <input type="checkbox" onclick="change_button('my_button')" /> <input id="my_button" type="submit" value="nie działa !" disabled="true" />
<input typer="submit" value="nie działa !" disabled>