$(document).ready(function()
{
	$("#akordion p.akordion_baslik").click(function()
    {
		$(this).parent('div').children('p.akordion_baslik').css({backgroundImage:"url(images/yukari_ok.jpg)"});
		$(this).css({backgroundImage:"url(images/asagi_ok.jpg)"}).next("div.akordion_icerik").slideToggle(300).siblings("div.akordion_icerik").slideUp("slow");
	});
});