var t = n = 0, count = $(".content a").size();
$(function(){
	var play = ".play";
	var playtext = ".play .text";
	var playnum = ".play .num a";
	var playconcent = ".play .content a";
	
	$(playconcent + ":not(:first)").hide();
	$(playtext).html($(playconcent + ":first").find("img").attr("alt"));
	$(playnum + ":first").addclass("on");
	$(playtext).click(function(){window.open($(playconcent + ":first").attr('href'), "_blank")});
	$(playnum).click(function() {
	   var i = $(this).text() - 1;
	   n = i;
	   if (i >= count) return;
	   $(playtext).html($(playconcent).eq(i).find("img").attr('alt'));
	   $(playtext).unbind().click(function(){window.open($(playconcent).eq(i).attr('href'), "_blank")})
	   $(playconcent).filter(":visible").hide().parent().children().eq(i).fadein(1200);
	   $(this).removeclass("on").siblings().removeclass("on");
	   $(this).removeclass("on2").siblings().removeclass("on2");
	   $(this).addclass("on").siblings().addclass("on2");
	});
	t = setinterval("showauto()", 5000);
	$(play).hover(function(){clearinterval(t)}, function(){t = setinterval("showauto()", 5000);});
})
function showauto(){
	n = n >= (count - 1) ? 0 : ++n;
	$(".num a").eq(n).trigger('click');
}