function strength(password)
{
        var desc = new Array();
        desc[0] = "Lemah";
        desc[1] = "Enteng";
        desc[2] = "OK";
        desc[3] = "Lumayan";
        desc[4] = "Mantap";
        desc[5] = "Asli Mantap";
var strength   = 0;
if (password.length > 6) strength++;
if ( ( password.match(/[a-z]/) ) && ( password.match(/[A-Z]/) ) ) strength++;
if (password.match(/\d+/)) strength++;
if ( password.match(/.[!,@,#,$,%,^,&,*,?,_,~,-,(,)]/) ) strength++;
if (password.length > 10) strength++;
document.getElementById("pwdesc").innerHTML = desc[strength];
document.getElementById("pwstrength").className = "strength" + strength;
}