$(document).ready(function() {
		  $('.przycisk').click(function(){
			//get collapse content selector
			var collapse_content_selector = $(this).attr('href');					
					
			//make the collapse content to be shown or hide
			var toggle_switch = $(this);
			$(collapse_content_selector).toggle(function(){
			  if($(this).css('display')=='none'){
                                //change the button label to be 'Show'
				toggle_switch.html('Pokaż');
			  }else{
                                //change the button label to be 'Hide'
				toggle_switch.html('Ukryj');
			  }
			});
		  });
				
		});