//滚动JS
var t = n = count = 0;
$(function(){
	count = $("#play_list li").size();
	$("#play_list li:not(:first-child)").hide();
	$("#play_text li:first-child").addClass("dq");
	$("#play_text li").click(function() {
		var i = $(this).text() - 1;
		n = i;
		if (i >= count) return;
		$("#playBg").css({"opacity": "0.5" });
		$("#play_list li").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000);
		$(this).addClass("dq").siblings().removeClass("dq");
	});
	t = setInterval("showAuto()", 3000);
	$("#play").hover(function(){clearInterval(t)}, function(){t = setInterval("showAuto()", 3000);});
})
function showAuto()
{
	n = n >= (count - 1) ? 0 : n + 1;
	$("#play_text li").eq(n).trigger('click');
}