var Slides = [ "archives", "meta" ];

$(function(){
	
	jQuery.each(Slides, function(){
		name=this;
		el=$('#'+name+' > ul:first');
		el.arrow=$( document.createElement("img") ).attr("src", "http://blog.mwojcik.pl/wp-content/includes/strzalka.gif").attr("alt", "Zwiń/Rozwiń").addClass("arrow");
		
		el.arrow.click(function () {		 
     	 $('#'+this.parentNode.id+' > ul:first').slideToggle("300");
    	});
		
		el.before(el.arrow);
		el.slideToggle("0");
	}); 	

});