function passwordChanged(element_id) {
var strength = document.getElementById('strength');
var strongRegex = new RegExp("^(?=.{8,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\\W).*$", "g");
var mediumRegex = new RegExp("^(?=.{7,})(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[a-z])(?=.*[0-9]))).*$", "g");
var enoughRegex = new RegExp("(?=.{6,}).*", "g");
var pwd = document.getElementById(element_id);
if (pwd.value.length==0) {
strength.innerHTML = '';
} else if (false == enoughRegex.test(pwd.value)) {
strength.innerHTML = 'Vnos vsebuje premalo znakov!';
} else if (strongRegex.test(pwd.value)) {
strength.innerHTML = 'Odlično! ';
} else if (mediumRegex.test(pwd.value)) {
strength.innerHTML = 'Srednje! ';
} else {
strength.innerHTML = 'Slabo! ';
}
}