(function($){  $.fn.tzCheckbox = function(options){    // Default On / Off labels:    options = $.extend({      labels : ['ON','OFF']    },options);    return this.each(function(){      var originalCheckBox = $(this),        labels = [];      // Checking for the data-on / data-off HTML5 data attributes:      if(originalCheckBox.data('on')){        labels[0] = originalCheckBox.data('on');        labels[1] = originalCheckBox.data('off');      }      else labels = options.labels;      // Creating the new checkbox markup:      var checkBox = $('<span>',{        className: 'tzCheckBox '+(this.checked?'checked':''),        html:'<span class="tzCBContent">'+labels[this.checked?0:1]+            '</span><span class="tzCBPart"></span>'      });      // Inserting the new checkbox, and hiding the original:      checkBox.insertAfter(originalCheckBox.hide());      checkBox.click(function(){        checkBox.toggleClass('checked');        var isChecked = checkBox.hasClass('checked');        // Synchronizing the original checkbox:        originalCheckBox.attr('checked',isChecked);        checkBox.find('.tzCBContent').html(labels[isChecked?0:1]);      });      // Listening for changes on the original and affecting the new one:      originalCheckBox.bind('change',function(){        checkBox.click();      });    });  };})(jQuery);