Хак Генератор паролей при регистрации в DLE

<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("a#hide").click(function() {
  $("span.hide").fadeIn(500);
});
});
</script>
<script language="javascript">
<!--

function GeneratePassword() {

if (parseInt(navigator.appVersion) <= 3) {
alert("Sorry this only works in 4.0+ browsers");
return true;
}

var length=10;
var sPassword = "";
length = document.registration.charLen.value;

for (i=0; i < length; i++) {

numI = getRandomNum();
while (checkPunc(numI)) { numI = getRandomNum(); }

sPassword = sPassword + String.fromCharCode(numI);
}

document.registration.generated.value = sPassword

return true;
}

function getRandomNum() {

// between 0 - 1
var rndNum = Math.random()

// rndNum from 0 - 1000
rndNum = parseInt(rndNum * 1000);

// rndNum from 33 - 127
rndNum = (rndNum % 94) + 33;

return rndNum;
}

function checkPunc(num) {

if ((num >=33) && (num <=47)) { return true; }
if ((num >=58) && (num <=64)) { return true; }
if ((num >=91) && (num <=96)) { return true; }
if ((num >=123) && (num <=126)) { return true; }

return false;
}

function paste1() {
document.registration.password1.value=document.registration.generated.value;
document.registration.password2.value=document.registration.generated.value;
}
-->
</script>

<tr>
<td><a name="generated"></a><small>Генератор паролей:</small></td>
<td>
<input type="text" name="generated" value="" class="input-off"> <select name="charLen" onchange="GeneratePassword()" class="select-off" style="width:45px !important;">
<option value="8">8</option><option value="9">9</option><option value="10" selected>10</option><option value="11">11</option><option value="12">12</option><option value="13">13</option><option value="14">14</option><option value="15">15</option>
</select> символов<br>

<a href="javascript:void(0)" onclick="GeneratePassword()">Сгенерировать пароль</a> | <a href="javascript:paste1()" id='hide'>Вставить пароль</a> <span class='hide' style="display:none;"><font color="red">Внимание! Обязательно сохраните пароль!</span>
</td>
</tr>