$(document).ready(function(){

    	more = new Image;
    	more_h = new Image;
    	less = new Image;
    	less_h = new Image;
    	liniadolna = new Image;
    	liniadolna_h = new Image;
    	more.src = BASE_URL+"assets/grafika/wiecej.png";
    	more_h.src = BASE_URL+"assets/grafika/wiecej_h.png";
    	less.src = BASE_URL+"assets/grafika/mniej.png";
    	less_h.src = BASE_URL+"assets/grafika/mniej_h.png";
    	liniadolna.src = BASE_URL+"assets/grafika/linia_dolna_2.gif";
    	liniadolna_h.src = BASE_URL+"assets/grafika/linia_dolna.gif";

    	
    	
    	function wiecej(ar)
    	{
    		$(ar).unbind("mouseover mouseout").
    		mouseover(function()
    	   	{
    		   	$(this).attr('src',more_h.src);
    	    }).
    	    mouseout(function()
    	    {
    			$(this).attr('src',more.src);
    	    });
    	}
    	function mniej(ar)
    	{
    		$(ar).unbind("mouseover mouseout").
    		mouseover(function()
    	   	{
    		   	$(this).attr('src',less_h.src);
    	    }).
    	    mouseout(function()
    	    {
    			$(this).attr('src',less.src);
    	    });
    	}
    	wiecej($(".summ-more > img"));

    	$('.item .linia_dolna_2').click(function() { $(this).parent().next('.item').children('.summ-more').click(); });
	    $(".summ-more").click(function () 
	    {
	    	
		    var summ = $(this).prev(".summ");
		    var art = $(summ).prev(".art");
		    var summMore = $(summ).next(".summ-more");
		    var item = $(this).parent();
		    var prev_item = $(item).prev('.item');
		    var next_item = $(item).next('.item');
			var isOpen = false;
			
		     var ar = $(this).children("img");
		     if( $(ar).attr("src") != less.src && $(ar).attr("src") != less_h.src )
		     {
		          $(ar).attr("src",less.src); 
		          mniej(ar);
		          $(item).addClass('open');
		          isOpen = true;
		     }
		     else
		     { 
		         $(ar).attr("src",more.src);
		         wiecej(ar); 
		         $(item).removeClass('open');
		         isOpen = false;
		     }
		    
		     // $(this).prev(".hidden").slideToggle("fast").next().next(".linia_dolna_2").slideToggle("slow");

		     if( $(item).hasClass('open') ) //
		     {
				 $(prev_item).children('.linia_dolna_2').attr('src',liniadolna_h.src).show('fast');
				 
			     $(this).prev(".summ").slideUp("fast").
			     prev(".art").fadeIn("fast").
			     next(".summ").next(".summ-more").next(".linia_dolna_2").show("slow");
			     
		     }
		     else
		     {
			     if( ! $(prev_item).hasClass('open') )
			     {
				 	$(prev_item).children('.linia_dolna_2').hide('fast').attr('src',liniadolna.src);
			     }
			     else
			     {
			    	 $(prev_item).children('.linia_dolna_2').attr('src',liniadolna.src);
			     }
				 
			     $(this).prev(".summ").slideDown("fast").
			     prev(".art").slideUp("slow")
			     .next(".summ");


			     if( ! $(next_item).hasClass('open') )
			     {
				     $(summMore).next(".linia_dolna_2").hide("slow");
			     }
			     else
			     { 
				    // $(summMore).next(".linia_dolna_2").hide("slow");
			     }
			    
		     }

			    $('html,body').animate({scrollTop: $(item).offset().top - 30 }, 500);
			 
			
	    });

 });