is there a way to enable a submit button on checked

I'm trying to enable a submit/go to site button when only one of my checkboxes(any single box) has been checked - can anyone one help?? this is the checkbox im using-

<input type="checkbox" id="number2" name="number2" value="2">
<label for="number2">02 </label>

hope that helps

if you could give me help using html and css as i dont no how to use scripts that would be great thanks