$(document).ready(function () {
    

    $('.cb_label_noscript').each(function() {
        $(this).removeClass('cb_label_noscript');
        $(this).addClass('cb_label');
    })
    $('.cb_noscript').each(function() {
        $(this).removeClass('cb_noscript');
        $(this).addClass('cb');
    })

    
    $('.cb_label').each(function(i) {
        if($('.cb',this).attr('checked')){
            $('.cb', this).css("background", "url('images/design/cb.png') no-repeat 0 0");
            return;
        } else {
            $(this).css("background", "url('images/design/cb.png') no-repeat 0 -20px");
        }
    });
    
    $('.cb_label').click(function(){
        if($('.cb', this).attr('checked')){
            $(this).css("background", "url('images/design/cb.png') no-repeat 0 0");
            return;
        }
        $(this).css("background", "url('images/design/cb.png') no-repeat 0 -20px");
    });
});