var shortPass = ''
var longPass = ''
var badPass = ''
var goodPass = ''
var strongPass = ''
function passwordStrength(password) {
    score = 0
    if (password.length < 6) { return '<div class="graph"><span id="gesamt" class="bar minifont minifont" style="width: 100%; solid #000000; background:none;">' + shortPass + '</span></div>' }
    if (password.length > 16) { return '<div class="graph"><span id="gesamt" class="bar minifont" style="width: 100%; solid #000000; background:none;">' + longPass + '</span></div>' }
    score += password.length * 3
    score += (checkRepetition(1, password).length - password.length) * 2
    score += (checkRepetition(2, password).length - password.length) * 2
    score += (checkRepetition(3, password).length - password.length) * 2
    score += (checkRepetition(4, password).length - password.length) * 2
    if (password.match(/(.*[0-9].*[0-9].*[0-9])/)) score += 8
    if (password.match(/(.*[!,@,#,$,%,^,&,*,?,_,~].*[!,@,#,$,%,^,&,*,?,_,~])/)) score += 8
    if (password.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/)) score += 8
    if (password.match(/([a-zA-Z])/) && password.match(/([0-9])/)) score += 15
    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([0-9])/)) score += 15
    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([a-zA-Z])/)) score += 15
    if (password.match(/^\w+$/) || password.match(/^\d+$/)) score -= 8
    if (score < 0) score = 0
    if (score > 100) score = 100
    if (score < 45) return '<div class="graph bad"></div>'
    if (score < 80) return '<div class="graph good"></div>'
    return '<div class="graph strong"></div>'
}

function checkRepetition(pLen, str) {
    res = ""
    for (i = 0; i < str.length; i++) {
        repeated = true
        for (j = 0; j < pLen && (j + i + pLen) < str.length; j++)
            repeated = repeated && (str.charAt(j + i) == str.charAt(j + i + pLen))
        if (j < pLen) repeated = false
        if (repeated) {
            i += pLen - 1
            repeated = false
        }
        else {
            res += str.charAt(i)
        }
    }
    return res
}