anchor.diff:  		 				}
   		 			})
   		 		}
  -
   		 		if (this.classList[0] == 'items'){
   			 		if ($(this).children().is(':checked') == false){
   				 		var current_item_class = '.'+this.classList[2]
  
positive.code: 			 					$(this).find('input[type="checkbox"]').removeAttr('checked');
  			 					$(this).hide()
  			 				}
  
  
  			 				if (this.classList[0] == 'groups'){
  					 					var optionsToHide = this.classList[2]
  					 					$('.'+optionsToHide).each(function(){
  
negative.code: 		$('.items').hide();
  		$('.groups').hide();
  		$('.options').hide();
  		 var $mainCatCheckboxes = $('.main-cat').find('input[type="checkbox"]')
  		 $mainCatCheckboxes.change(function (){ 
  		 	var current_class_shared = '.' + $(this).parent().parent().parent()[0].classList[1]
  		 	var items_for_class
  		 	if ($(this).prop('checked')){
  		 		$(current_class_shared).show()
  		 	} else {
  