$.fn.extend( {
			TrunAd2 : function(options) {
				var auto = null;
				var obj = $(this);
				count = $("a", obj).size();
				n = 0;
				
				var settings = {timer : 5000,menu : "#play_text"};
				options = options || {};
				$.extend(settings, options);
				var ulcontent = "<ul>";
				for (i = 1; i <= count; i++) {ulcontent = ulcontent + "<li>" + i + "</li>";}
				ulcontent = ulcontent + "</ul>";
				$(settings.menu).html(ulcontent);
				$("a:not(:first-child)", this).hide();
				
				$(settings.menu + " li").eq(0).css({"background" : "url(http://img1.fclubimg.com/help_center/images/btn_picshow_on.jpg) no-repeat","color" : "#fff"});
				$(settings.menu + " li").mouseover(function() {
									i = $(this).text() - 1;
									n = i;
									if (n >= count)return;
									$("a", obj).filter(":visible").fadeOut(200,function() {$(this).parent().children().eq(n).fadeIn(300);});
									$(this).css({"background" : "url(http://img1.fclubimg.com/help_center/images/btn_picshow_on.jpg) no-repeat","color" : "#fff"}).siblings().css({"background" : "url(http://img1.fclubimg.com/help_center/images/btn_picshow_normal.jpg) no-repeat","color" : "#fff"});
									});
				auto = setInterval(showAuto, settings.timer);
				obj.hover(function() {clearInterval(auto)}, function() {auto = setInterval(showAuto, settings.timer);});
				function showAuto() 
				{
					n = n >= (count - 1) ? 0 : ++n;
					$(settings.menu + " li").eq(n).trigger('mouseover');
				}
			}
		});
