<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?>