Counter of selected controls

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1">
    <title>vbeiSearchPageForTestsAndPackages</title>
    <!--Include firebug lite to be able to use console.debug-->
    <!--<script type="text/javascript" src="https://getfirebug.com/firebug-lite.js">
    {
    overrideConsole: false,
    startInNewWindow: false,
    startOpened: false,
    enableTrace: true,
    disableXHRListener: true
}

    </script>-->
    <script>
        function toogleAllowFastSearch() {
    console.debug("toggleFastSearch");
    if (document.getElementById("RadioButtonListSeachOption_2").checked) {
        //document.getElementById("chkFastSearch").checked = false;
        $("#chkFastSearch").attr("checked","").change(); //notify the change !
    }
    else {
        //document.getElementById("chkExtendTheSearchToOtherFields").checked = false;
        $("#chkExtendTheSearchToOtherFields").attr("checked","").change(); //notify the change !
        //document.getElementById("chkFastSearch").checked = true;
        $("#chkFastSearch").attr("checked","checked").change(); //notify the change !

    }
}
    </script>
</head>
<body>
    <form name="Form_SearchTestAndPackage" method="post" action="search2.aspx?operatorCode=bjch&amp;mode=offer&amp;selection=test" onkeypress="javascript:return WebForm_FireDefaultButton(event, 'StartSearch')" id="Form_SearchTestAndPackage">
<div>
<input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" />
<input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" />
<input type="hidden" name="__LASTFOCUS" id="__LASTFOCUS" value="" />

</div>

<div>
    <input type="hidden" name="__VIEWSTATEENCRYPTED" id="__VIEWSTATEENCRYPTED" value="" />
</div>
    
<!-- PAGE CONTENT START --> 

<!--LEFT BOX START - Box for basic search options-->
<div id="boxLeft">
    
    <div id="Panel_SearchBox">
        
          ...

CSS

.filter-counter{font-weight:bold;background-color:Red;}

JavaScript

if(!window.console){
    //in case no console exists, provide a useless implementation but warn user
    alert("console.debug not supported here. use a decent browser and/or Firebug :)");
    window.console = {debug:function(){
                                //do nothing
                                return;
                            }
                     };
}



;(function ($) {
    //make a jQuery plugin
    $.fn.filterCount = function (options) {
        //merge passed options with defaults
        var opts = $.extend({}, $.fn.filterCount.defaults, options);
        return this.each(function () {
            var $collapsibleTitleLabel = $(this);  
            //append the span that will contain the counter (hidden at first)        
            $('<span class="' + opts.counterCssClass+ '">counter</span>').hide().insertAfter($collapsibleTitleLabel);
                        
            //handle change in all contained inputs, in case of change
            var $collapsibleBody = $collapsibleTitleLabel.parent("div").next("div");
            
            $collapsibleBody._refreshCounter = function() {
                var $div= $(this);
                console.debug("refresh");
                //compute the new value for the counter
                var cnt = $div.find(":checkbox").filter(":checked").filter(":enabled").length;
                
                $div.find("select").each(function(){
                    var $select = $(this);
                    console.debug($select);
                    if (!$select[0].multiple) {
                        cnt += (!$select[0].disabled && $select[0].selectedIndex > 0) ? 1 : 0;
                    }
                    else {
                        if (!$select.disabled) {
                            cnt += $select.find("option:selected").length;
                        }
                    }
                });
                
                $(this).prev("div").find("span." + opts.counterCssClass).html("(" + cnt...