$(document).ready(function() {
//============================
    $(".compare-packages-checkbox").click(function(event) {
        var cnt='';
        var packages='';
        $(".compare-packages-checkbox").each(function() {
            if($(this).is(":checked")) {
                cnt++;
                if(cnt <= 5) {
                    packages+='id[]='+$(this).attr("id").substring(4)+'&';
                }
            }
        });
        $("#compare-packages-submit").attr("href","/resources/ajax-pages/ajax-popup-compare.php?required=1&"+packages);
        //alert(document.getElementById("compare-packages-submit").href);
        if(cnt > 5) {
            alert('Sorry - only 5 packages can be compared at one time');
            this.checked=false;
        }
        if(cnt == 0) $("#compare-packages-submit").attr("href","/resources/ajax-pages/ajax-popup-compare.php?none");
    });
//============================
});