<script language="javascript">  

/*  
Password Strength Algorithm:  

Password Length:  
5 Points: Less than 4 characters  
10 Points: 5 to 7 characters  
25 Points: 8 or more  

Letters:  
0 Points: No letters  
10 Points: Letters are all lower case  
20 Points: Letters are upper case and lower case  

Numbers:  
0 Points: No numbers  
10 Points: 1 number  
20 Points: 3 or more numbers  

Characters:  
0 Points: No characters  
10 Points: 1 character  
25 Points: More than 1 character  

Bonus:  
2 Points: Letters and numbers  
3 Points: Letters, numbers, and characters  
5 Points: Mixed case letters, numbers, and characters  

Password Text Range:  

>= 90: Very Secure  
>= 80: Secure  
>= 70: Very Strong  
>= 60: Strong  
>= 50: Average  
>= 25: Weak  
>= 0: Very Weak  

*/  

// Settings  
// -- Toggle to true or false, if you want to change what is checked in the password  
var m_strUpperCase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";  
var m_strLowerCase = "abcdefghijklmnopqrstuvwxyz";  
var m_strNumber = "0123456789";  
var m_strCharacters = "!@#$%^&*?_~"  

// Check password  
function checkPassword(strPassword)  
{  
// Reset combination count  
var nScore = 0;  

// Password length  
// -- Less than 4 characters  
if (strPassword.length < 5)  
{  
nScore += 5;