Check & Display Password Strength 1.2.2

<dd><input type="password" name="password" class="textCtrl OptOut" id="ctrl_password" autocomplete="off" /></dd>

<script language="javascript" type="text/javascript">
function pwdStrength(password)
{
var desc = new Array();
desc[0] = "<font color='red'>Very Weak</font>";
desc[1] = "<font color='red'>Weak</font>";
desc[2] = "<font color='orange'>Better</font>";
desc[3] = "<font color='orange'>Medium</font>";
desc[4] = "<font color='green'>Strong</font>";
desc[5] = "<font color='green'>Strongest</font>";
var score  = 0;
//if password bigger than 6 give 1 point
if (password.length > 6) score++;
//if password has both lower and uppercase characters give 1 point
if ( ( password.match(/[a-z]/) ) && ( password.match(/[A-Z]/) ) ) score++;
//if password has at least one number give 1 point
if (password.match(/\d+/)) score++;
//if password has at least one special caracther give 1 point
if ( password.match(/.[!,@,#,$,%,^,&,*,?,_,~,-,(,)]/) ) score++;
//if password bigger than 12 give another 1 point
if (password.length > 12) score++;
document.getElementById("pwdDescription").innerHTML = desc[score];
document.getElementById("pwdStrength").className = "strength" + score;
}
</script>
<dd><input type="password" name="password" class="textCtrl OptOut" id="ctrl_password" autocomplete="off" onkeyup="pwdStrength(this.value)">
<div id="pwdDescription" class="explain" style="color: red""></div></dd>