<script src="http://jqueryjs.googlecode.com/files/jquery-1.2.6.min.js" type="text/javascript"></script>

  <script type="text/javascript">
  $.fn.passwordStrength = function( options ){
  return this.each(function(){
  var that = this;that.opts = {};
  that.opts = $.extend({}, $.fn.passwordStrength.defaults, options);

  that.div = $(that.opts.targetDiv);
  that.defaultClass = that.div.attr('class');

  that.percents = (that.opts.classes.length) ? 100 / that.opts.classes.length : 100;
  v = $(this)
  .keyup(function(){
  if( typeof el == "undefined" )
  this.el = $(this);
  var s = getPasswordStrength (this.value);
  var p = this.percents;
  var t = Math.floor( s / p );

  if( 100 <= s )
  t = this.opts.classes.length - 1;

  this.div
  .removeAttr('class')
  .addClass( this.defaultClass )
  .addClass( this.opts.classes[ t ] );

  })
  .after('')
  .next()
  .click(function(){
  $(this).prev().val ( randomPassword() ).trigger('keyup');
  return false;
  });
  });

  function getPasswordStrength(H){
  var D=(H.length);
  if(D>5){
  D=5
  }
  var F=H.replace(/[0-9]/g,"");
  var G=(H.length-F.length);
  if(G>3){G=3}
  var A=H.replace(/\W/g,"");
  var C=(H.length-A.length);
  if(C>3){C=3}
  var B=H.replace(/[A-Z]/g,"");
  var I=(H.length-B.length);
  if(I>3){I=3}
  var E=((D*10)-20)+(G*10)+(C*15)+(I*10);
  if(E<0){E=0}
  if(E>100){E=100}
  return E
  }

  function randomPassword() {
  var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$_+";
  var size = 10;
  var i = 1;
  var ret = ""
  while ( i <= size ) {
  $max = chars.length-1;
  $num = Math.floor(Math.random()*$max);
  $temp = chars.substr($num, 1);
  ret += $temp;
  i++;
  }
  return ret;
  }

  };

  $.fn.passwordStrength.defaults = {
  classes : Array('is10','is20','is30','is40','is50','is60','is70','is80','is90','is100'),
  targetDiv : '#passwordStrengthDiv',
  cache : {}
  }
  $(document)
  .ready(function(){
  $('input[name="password"]').passwordStrength();
  });
  </script>

.is0{background:url("http://kbh.mg.by/progressImg1.png") no-repeat 0 0;width:138px;height:7px;}
  .is10{background-position:0 -7px;}
  .is20{background-position:0 -14px;}
  .is30{background-position:0 -21px;}
  .is40{background-position:0 -28px;}
  .is50{background-position:0 -35px;}
  .is60{background-position:0 -42px;}
  .is70{background-position:0 -49px;}
  .is80{background-position:0 -56px;}
  .is90{background-position:0 -63px;}
  .is100{background-position:0 -70px;}

<?if($PASSWORD_FL$)?>
  <tr id="siM45"><td class="manTd1" id="siM46">$PASSWORD_SIGN$</td><td class="manTd2" id="siM47">$PASSWORD_FL$</td>
  </tr>
  <?endif?>

<?if($PASSWORD_FL$)?>
  <tr id="siM45"><td class="manTd1" id="siM46">$PASSWORD_SIGN$</td><td class="manTd2" id="siM47">$PASSWORD_FL$</td>
  </tr><tr><td>Проверка безопасности: </td><td><div id="passwordStrengthDiv" class="is0"></div></td>
  </tr>
  <?endif?>