<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?>