Password Generator

<title>Password Generator</title>
<form action = "" method = "POST">
Password Length: <input type ="text" name = "length" value = "10"><br>
<input type ="checkbox" name = "nums" value = "nums" checked = "yes">Include Numbers<br>
<input type ="checkbox" name = "special" value = "special">Include Special Characters<br>
<input type = "submit" name="sub" value="Generate">
</form>