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/*
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** Created by: Jeff Todnem (http://www.todnem.com/)
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** Created on: 2007-08-14
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** Last modified: 2013-07-31 by James Cammarata
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**
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** License Information:
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** -------------------------------------------------------------------------
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** Copyright (C) 2007 Jeff Todnem
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 2 of the License, or (at your
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** option) any later version.
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**
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** This program is distributed in the hope that it will be useful, but
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** WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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** General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License along
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** with this program; if not, write to the Free Software Foundation, Inc.,
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** 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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**
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*/
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/*
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function addLoadEvent(func) {
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var oldonload = window.onload;
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if (typeof window.onload != "function") {
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window.onload = func;
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}
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else {
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window.onload = function() {
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if (oldonload) {
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oldonload();
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}
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func();
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};
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}
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}
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function $() {
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var arrElms = [];
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for (var i=0; i < arguments.length; i++) {
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var elm = arguments[i];
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if (typeof(elm == "string")) { elm = document.getElementById(elm); }
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if (arguments.length == 1) { return elm; }
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arrElms.push(elm);
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}
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return arrElms;
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}
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*/
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String.prototype.strReverse = function() {
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var newstring = "";
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for (var s=0; s < this.length; s++) {
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newstring = this.charAt(s) + newstring;
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}
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return newstring;
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//strOrig = ' texttotrim ';
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//strReversed = strOrig.revstring();
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};
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var nScore = 0;
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function chkPass(pwd) {
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// Simultaneous variable declaration and value assignment aren't supported in IE apparently
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// so I'm forced to assign the same value individually per var to support a crappy browser *sigh*
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var nLength=0, nAlphaUC=0, nAlphaLC=0, nNumber=0, nSymbol=0, nMidChar=0, nRequirements=0,
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nAlphasOnly=0, nNumbersOnly=0, nUnqChar=0, nRepChar=0, nRepInc=0, nConsecAlphaUC=0, nConsecAlphaLC=0,
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nConsecNumber=0, nConsecSymbol=0, nConsecCharType=0, nSeqAlpha=0, nSeqNumber=0, nSeqSymbol=0,
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nSeqChar=0, nReqChar=0, nMultConsecCharType=0;
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var nMultRepChar=1, nMultConsecSymbol=1;
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var nMultMidChar=2, nMultRequirements=2, nMultConsecAlphaUC=2, nMultConsecAlphaLC=2, nMultConsecNumber=2;
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var nReqCharType=3, nMultAlphaUC=3, nMultAlphaLC=3, nMultSeqAlpha=3, nMultSeqNumber=3, nMultSeqSymbol=3;
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var nMultLength=4, nMultNumber=4;
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var nMultSymbol=6;
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var nTmpAlphaUC="", nTmpAlphaLC="", nTmpNumber="", nTmpSymbol="";
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var sAlphaUC="0", sAlphaLC="0", sNumber="0", sSymbol="0", sMidChar="0", sRequirements="0",
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sAlphasOnly="0", sNumbersOnly="0", sRepChar="0", sConsecAlphaUC="0", sConsecAlphaLC="0",
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sConsecNumber="0", sSeqAlpha="0", sSeqNumber="0", sSeqSymbol="0";
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var sAlphas = "abcdefghijklmnopqrstuvwxyz";
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var sNumerics = "01234567890";
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var sSymbols = ")!@#$%^&*()";
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var sComplexity = "Too Short";
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var sStandards = "Below";
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var nMinPwdLen = 8;
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if (document.all) { var nd = 0; } else { var nd = 1; }
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if (pwd) {
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nScore = parseInt(pwd.length * nMultLength);
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nLength = pwd.length;
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var arrPwd = pwd.replace(/\s+/g,"").split(/\s*/);
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var arrPwdLen = arrPwd.length;
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/* Loop through password to check for Symbol, Numeric, Lowercase and Uppercase pattern matches */
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for (var a=0; a < arrPwdLen; a++) {
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if (arrPwd[a].match(/[A-Z]/g)) {
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if (nTmpAlphaUC !== "") { if ((nTmpAlphaUC + 1) == a) { nConsecAlphaUC++; nConsecCharType++; } }
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nTmpAlphaUC = a;
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nAlphaUC++;
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}
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else if (arrPwd[a].match(/[a-z]/g)) {
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if (nTmpAlphaLC !== "") { if ((nTmpAlphaLC + 1) == a) { nConsecAlphaLC++; nConsecCharType++; } }
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nTmpAlphaLC = a;
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nAlphaLC++;
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}
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else if (arrPwd[a].match(/[0-9]/g)) {
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if (a > 0 && a < (arrPwdLen - 1)) { nMidChar++; }
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if (nTmpNumber !== "") { if ((nTmpNumber + 1) == a) { nConsecNumber++; nConsecCharType++; } }
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nTmpNumber = a;
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nNumber++;
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}
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else if (arrPwd[a].match(/[^a-zA-Z0-9_]/g)) {
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if (a > 0 && a < (arrPwdLen - 1)) { nMidChar++; }
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if (nTmpSymbol !== "") { if ((nTmpSymbol + 1) == a) { nConsecSymbol++; nConsecCharType++; } }
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nTmpSymbol = a;
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nSymbol++;
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}
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/* Internal loop through password to check for repeat characters */
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var bCharExists = false;
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for (var b=0; b < arrPwdLen; b++) {
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if (arrPwd[a] == arrPwd[b] && a != b) { /* repeat character exists */
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bCharExists = true;
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/*
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Calculate icrement deduction based on proximity to identical characters
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Deduction is incremented each time a new match is discovered
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Deduction amount is based on total password length divided by the
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difference of distance between currently selected match
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*/
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nRepInc += Math.abs(arrPwdLen/(b-a));
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}
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}
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if (bCharExists) {
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nRepChar++;
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nUnqChar = arrPwdLen-nRepChar;
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nRepInc = (nUnqChar) ? Math.ceil(nRepInc/nUnqChar) : Math.ceil(nRepInc);
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}
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}
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/* Check for sequential alpha string patterns (forward and reverse) */
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for (var s=0; s < 23; s++) {
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var sFwd = sAlphas.substring(s,parseInt(s+3));
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var sRev = sFwd.strReverse();
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if (pwd.toLowerCase().indexOf(sFwd) != -1 || pwd.toLowerCase().indexOf(sRev) != -1) { nSeqAlpha++; nSeqChar++;}
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}
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/* Check for sequential numeric string patterns (forward and reverse) */
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for (var s=0; s < 8; s++) {
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var sFwd = sNumerics.substring(s,parseInt(s+3));
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var sRev = sFwd.strReverse();
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if (pwd.toLowerCase().indexOf(sFwd) != -1 || pwd.toLowerCase().indexOf(sRev) != -1) { nSeqNumber++; nSeqChar++;}
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}
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/* Check for sequential symbol string patterns (forward and reverse) */
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for (var s=0; s < 8; s++) {
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var sFwd = sSymbols.substring(s,parseInt(s+3));
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var sRev = sFwd.strReverse();
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if (pwd.toLowerCase().indexOf(sFwd) != -1 || pwd.toLowerCase().indexOf(sRev) != -1) { nSeqSymbol++; nSeqChar++;}
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}
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/* Modify overall score value based on usage vs requirements */
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/* General point assignment */
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if (nAlphaUC > 0 && nAlphaUC < nLength) {
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nScore = parseInt(nScore + ((nLength - nAlphaUC) * 2));
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sAlphaUC = "+ " + parseInt((nLength - nAlphaUC) * 2);
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}
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if (nAlphaLC > 0 && nAlphaLC < nLength) {
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nScore = parseInt(nScore + ((nLength - nAlphaLC) * 2));
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sAlphaLC = "+ " + parseInt((nLength - nAlphaLC) * 2);
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}
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if (nNumber > 0 && nNumber < nLength) {
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nScore = parseInt(nScore + (nNumber * nMultNumber));
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sNumber = "+ " + parseInt(nNumber * nMultNumber);
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}
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if (nSymbol > 0) {
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nScore = parseInt(nScore + (nSymbol * nMultSymbol));
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sSymbol = "+ " + parseInt(nSymbol * nMultSymbol);
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}
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if (nMidChar > 0) {
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nScore = parseInt(nScore + (nMidChar * nMultMidChar));
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sMidChar = "+ " + parseInt(nMidChar * nMultMidChar);
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}
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/* Point deductions for poor practices */
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if ((nAlphaLC > 0 || nAlphaUC > 0) && nSymbol === 0 && nNumber === 0) { // Only Letters
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nScore = parseInt(nScore - nLength);
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nAlphasOnly = nLength;
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sAlphasOnly = "- " + nLength;
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}
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if (nAlphaLC === 0 && nAlphaUC === 0 && nSymbol === 0 && nNumber > 0) { // Only Numbers
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nScore = parseInt(nScore - nLength);
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nNumbersOnly = nLength;
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sNumbersOnly = "- " + nLength;
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}
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if (nRepChar > 0) { // Same character exists more than once
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nScore = parseInt(nScore - nRepInc);
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sRepChar = "- " + nRepInc;
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}
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if (nConsecAlphaUC > 0) { // Consecutive Uppercase Letters exist
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nScore = parseInt(nScore - (nConsecAlphaUC * nMultConsecAlphaUC));
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sConsecAlphaUC = "- " + parseInt(nConsecAlphaUC * nMultConsecAlphaUC);
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}
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if (nConsecAlphaLC > 0) { // Consecutive Lowercase Letters exist
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nScore = parseInt(nScore - (nConsecAlphaLC * nMultConsecAlphaLC));
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sConsecAlphaLC = "- " + parseInt(nConsecAlphaLC * nMultConsecAlphaLC);
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}
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if (nConsecNumber > 0) { // Consecutive Numbers exist
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nScore = parseInt(nScore - (nConsecNumber * nMultConsecNumber));
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sConsecNumber = "- " + parseInt(nConsecNumber * nMultConsecNumber);
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}
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if (nSeqAlpha > 0) { // Sequential alpha strings exist (3 characters or more)
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nScore = parseInt(nScore - (nSeqAlpha * nMultSeqAlpha));
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sSeqAlpha = "- " + parseInt(nSeqAlpha * nMultSeqAlpha);
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}
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if (nSeqNumber > 0) { // Sequential numeric strings exist (3 characters or more)
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nScore = parseInt(nScore - (nSeqNumber * nMultSeqNumber));
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sSeqNumber = "- " + parseInt(nSeqNumber * nMultSeqNumber);
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}
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if (nSeqSymbol > 0) { // Sequential symbol strings exist (3 characters or more)
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nScore = parseInt(nScore - (nSeqSymbol * nMultSeqSymbol));
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sSeqSymbol = "- " + parseInt(nSeqSymbol * nMultSeqSymbol);
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}
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/* Determine complexity based on overall score */
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if (nScore > 100) { nScore = 100; } else if (nScore < 0) { nScore = 0; }
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var progbar = $("#progbar");
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progbar.css("width", nScore + '%');
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if (nScore >= 0 && nScore <= 33) {
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sComplexity = 'Weak';
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progbar.addClass('bar-danger')
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progbar.removeClass('bar-success bar-warning')
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} else if (nScore > 33 && nScore <= 67) {
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sComplexity = 'Good';
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progbar.addClass('bar-warning')
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progbar.removeClass('bar-success bar-danger')
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} else if (nScore > 67) {
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sComplexity = "Strong";
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progbar.addClass('bar-success')
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progbar.removeClass('bar-warning bar-danger')
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}
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}
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else {
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/* no password, so reset the displays */
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var progbar = $("#progbar");
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progbar.css("width", '0%');
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progbar.removeClass('bar-success bar-warning bar-danger')
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}
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}
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