/**
 * @authoer Luffy
 * @emal yizhou_zhong@foxitsoftware.com
 */
var contents = [
    '<a href="http://www.foxitsoftware.com/japan/products/reader/downloads.php"><img src="images/banners/indexreader_banner.jpg" /></a>',
	'<a href="http://www.foxitsoftware.com/japan/products/creator/"><img src="images/banners/creator_banner.jpg" /></a>',
	'<a href="http://www.foxitsoftware.com/japan/products/phantom/"><img src="images/banners/phantom_banner.jpg" /></a>', 
	'<a href="http://www.foxitsoftware.com/japan/products/ifilter/"><img src="images/banners/ifilter_banner.jpg" /></a>'
];
//'<a href="http://www.foxitsoftware.com/japan/products/creator/"><img src="images/banners/creator_banner.jpg" /></a>'
var count 	  = 0;			//当前的图片序号
var page_num  = 4;			//图片的数目
var timeHandle;				//计时句柄

/**
 * 切换图片
 * @param selected
 * @return
 */
function banner_convert(selected)
{
	content = contents[selected];
	$("#bannerimg").stop(true,true).fadeOut("slow",function(){
	   	$("#bannerimg").html(content);
	 }).fadeIn("slow"); 
	$("#album img").eq(selected).fadeTo("fast", 1);
	$("#album img").not($("#album img").eq(selected)).fadeTo("fast", 0.66);
	return false;
}

/**
 * 点击小图标事件的处理函数
 * @param number
 * @return
 */
function clickAlbum(number)
{
	count = number;
	clearInterval(timeHandle);
	banner_convert(number);
	autoConver();
	return false;
}

/**
 * 添加点击小图标时的事件
 * @return
 */
function addClickEvent()
{
	$("#album img").eq(0).click(function(){clickAlbum(0)}).end().eq(1).click(function(){clickAlbum(1)}).end().eq(2).click(function(){clickAlbum(2)}).end().eq(3).click(function(){clickAlbum(3)});
}

/**
 * 自动切换图片
 * @return
 */
function autoConver()
{
	timeHandle = setInterval(
	function(){
		count = (count + 1) % page_num;			
		banner_convert(count);
	}, 9000);
}


