var imgID=1; //定义一个图片序号
var timer1; //定义一个定时器

$(document).ready(function (){
	var Links = createLinks();
	$("#imgTitle").html(Links); //图片序号栏
	changeImage(1); //显示第一张图片
	
	//图书周畅销榜
	$("#ranking-list > div").mouseover(function(){
		var $tmp = $("#ranking-list > div");
		$tmp.attr("class","nopic");
		$(this).attr("class","current");
	});
});

function changeImage(imgID){
	clearTimeout(timer1);
	$('#myImg').hide();
	if (imgID>=imgUrl.length)
		imgID=1;//如果图片超过定义的数量，就从头开始
	var orderbytarget = parseInt(orderby[imgID-1]);
	$('#myImg').attr({'src':'images/ad/'+imgUrl[orderbytarget]});
	$('#imgLink').attr('href',imgLink[orderbytarget]);
	$('#myImg').show();

	$("a.button").css({"background":"#000000"});
	//$("a.button").css({"color":"#FF6600"});
	$('#link'+imgID).css({"background":"#FF6600"});
	//$('#link'+imgID).css({"color":"#FFFFFF"});
	
	timer1=setTimeout('changeImage('+(imgID+1)+')',3000);
}

function createLinks(){
	var linkHTML="";
	//数字按钮代码开始
	for(var i=1;i<=imgUrl.length-1;i++){
		linkHTML+=('<a target="_self" id="link'+i+'"  href="javascript:changeImage('+i+')" class="button" style="cursor:hand">'+i+'</a>');
	}
	return linkHTML;
}


//以下代码为抢购活动相关
var left ;
var timer;
var synTimer;
$(document).ready(function(){ 
		var deadTime = $("#deadTime").val();
		var date = new Date(deadTime);
		var msTime = date.getTime();
		
		var xmlhttp;
		if (window.XMLHttpRequest){// code for IE7+, Firefox, Chrome, Opera, Safari
			xmlhttp=new XMLHttpRequest();
		}else{// code for IE6, IE5
			xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
		
		xmlhttp.onreadystatechange=function(){
			if (xmlhttp.readyState==4 && xmlhttp.status==200)
			{
				var timeServer = new Date(xmlhttp.getResponseHeader('Date'));
				var msServer = timeServer.getTime();
				left = msTime - msServer;
				timer = window.setInterval(getLeftTime,1000); 
				//synTimer = window.setInterval("synServerTime()",60000); 
			}
		};
		xmlhttp.open('HEAD', '/?_='+(new Date()));
		xmlhttp.send(null);

}); 

function getLeftTime(){
	if(left<=0){
		left = 1000*60*60*24;
		//window.clearInterval(timer);
		//window.clearInterval(synTimer);
	}
	
	left = left - 1000;
	var temp = left;
	var leftDay = Math.floor(temp / (1000*60*60*24));
	temp = temp % (1000*60*60*24);
	var leftHour = Math.floor(temp / (1000 * 60 * 60)); 
	temp = temp % (1000 * 60 * 60); 
	var leftMinute = Math.floor(temp / (1000 * 60)); 
	temp = temp % (1000 * 60); 
	var leftSecond = Math.floor(temp / (1000)); 
	$("#daojishi").html(leftDay+"  天  "+leftHour+"  小时  "+leftMinute+"  分  "+leftSecond+"  秒 ");
	
}