$(document).ready(function(){
$(".gonggao_title li:first").addClass("gonggao_title_on");  //为第一个span添加 .current 的样式，默认选中
$(".gonggao dl:not(:first)").hide();  //ul 不是第一个时隐藏
$(".gonggao_title li").mouseover(function(){  //鼠标移到 span 上时触发函数
$(".gonggao_title li").removeClass("gonggao_title_on");  //为第一个 span 移除 .current 样式
$(this).addClass("gonggao_title_on");  //为触发的 span 添加样式
$(".gonggao dl").hide();  //隐藏 ul
$("."+$(this).attr("id")).fadeIn("slow");  //这句是核心，class(.) 和触发 span 的ID 一致的 fadeIn(渐显) 
});});

var choice = function(This, show, none){
	var obj = document.getElementById('titleTab');
	var objTag = obj.getElementsByTagName('li');
	var num = objTag.length;
	for(var i=0; i<num; i++){
		objTag[i].className = '';
	}
    if(arguments.length == 1){
        This.className = "game_tu_title_on";
        return true;
    }
    if(arguments.length < 1 || arguments.length == 2){
        alert("运行 choice 函数时出错，参数传递错误。");
        return false;
    }
    for(var i = 0; i < arguments.length; i++){
        if(i == 0){
            This.className = "game_tu_title_on";
        }else if(i == 1){
            document.getElementById(show).style.display = "block";
        }else{
            document.getElementById(arguments[i]).style.display = "none";
        }
    }
    return true;
}


var choice17173 = function(This, show, none){
	var obj = document.getElementById('select173');
	var objTag = obj.getElementsByTagName('li');
	var num = objTag.length;
	for(var i=0; i<num; i++){
		objTag[i].className = '';
	}
    if(arguments.length == 1){
        This.className = "select173_on";
        return true;
    }
    if(arguments.length < 1 || arguments.length == 2){
        alert("运行 choice 函数时出错，参数传递错误。");
        return false;
    }
    for(var i = 0; i < arguments.length; i++){
        if(i == 0){
            This.className = "select173_on";
        }else if(i == 1){
            document.getElementById(show).style.display = "block";
        }else{
            document.getElementById(arguments[i]).style.display = "none";
        }
    }
    return true;
}

var choicebbs = function(This, show, none){
	var obj = document.getElementById('bbstitleTab');
	var objTag = obj.getElementsByTagName('span');
	var num = objTag.length;
	for(var i=0; i<num; i++){
		objTag[i].className = '';
	}
    if(arguments.length == 1){
        This.className = "bbs_title_on";
        return true;
    }
    if(arguments.length < 1 || arguments.length == 2){
        alert("运行 choice 函数时出错，参数传递错误。");
        return false;
    }
    for(var i = 0; i < arguments.length; i++){
        if(i == 0){
            This.className = "bbs_title_on";
        }else if(i == 1){
            document.getElementById(show).style.display = "block";
        }else{
            document.getElementById(arguments[i]).style.display = "none";
        }
    }
    return true;
}



function ziliao_hidden_sub()
{
	var m_ziliao = new Array();
	m_ziliao[0] = "xszy";
	m_ziliao[1] = "xtjs";
	m_ziliao[2] = "tsxt";
	m_ziliao[3] = "yxjs";
	for(var i=0; i<m_ziliao.length; i++)
	{
		document.getElementById("inro_text_"+m_ziliao[i]).style.display = "none";
		document.getElementById("inro_icon_"+m_ziliao[i]).className = "";
	}
}

function ziliao_show_sub(field)
{
	ziliao_hidden_sub();
	document.getElementById("inro_text_"+field).style.display = 'block';
	document.getElementById("inro_icon_"+field).className = "game_zl_on";
}

function thread_hidden_sub()
{
	var m_ziliao = new Array();
	m_ziliao[0] = "bbs";
	m_ziliao[1] = "learned";
	for(var i=0; i<m_ziliao.length; i++)
	{
		document.getElementById("thread_js_"+m_ziliao[i]).style.display = "none";
		document.getElementById("thread_title_"+m_ziliao[i]).className = "";
	}
}

function thread_show_sub(field)
{
	thread_hidden_sub();
	document.getElementById("thread_js_"+field).style.display = 'block';
	document.getElementById("thread_title_"+field).className = "game_hd_title_on";
}

var picture_select = "picGame";

function picture_hidden_sub()
{
	var m_ziliao = new Array();
	m_ziliao[0] = "picGame";
	m_ziliao[1] = "picPlayer";
	m_ziliao[2] = "picSnap";
	for(var i=0; i<m_ziliao.length; i++)
	{
		document.getElementById("picture_icon_"+m_ziliao[i]).style.display = "none";
		document.getElementById("picture_title_"+m_ziliao[i]).className = "";
	}
}

function picture_show_sub(field)
{
	picture_hidden_sub();
	picture_select = field;
	document.getElementById("picture_icon_"+field).style.display = 'block';
	document.getElementById("picture_title_"+field).className = "kantu_title_on";
}

function picture_location()
{
	location.href = "picture.php?module="+picture_select;
}

function question_hidden_sub()
{
	var m_ziliao = new Array();
	m_ziliao[0] = "17173";
	m_ziliao[1] = "sina";
	for(var i=0; i<m_ziliao.length; i++)
	{
		document.getElementById("question_content_"+m_ziliao[i]).style.display = "none";
		document.getElementById("question_title_"+m_ziliao[i]).className = "";
	}
}

function question_show_sub(field)
{
	question_hidden_sub();
	document.getElementById("question_content_"+field).style.display = 'block';
	document.getElementById("question_title_"+field).className = "game_wd_title_on";
}

function question_hidden_sub2()
{
	var m_ziliao = new Array();
	m_ziliao[0] = "baike";
	m_ziliao[1] = "gl";
	for(var i=0; i<m_ziliao.length; i++)
	{
		document.getElementById("question_sub_content_"+m_ziliao[i]).style.display = "none";
		document.getElementById("question_sub_title_"+m_ziliao[i]).className = "";
	}
}

function question_show_sub2(field)
{
	question_hidden_sub2();
	document.getElementById("question_sub_content_"+field).style.display = 'block';
	document.getElementById("question_sub_title_"+field).className = "baike";
}