// Author By Joassa
jQuery.fn.center = function () {
    this.css("position", "absolute");
    this.css("top", ($(window).height() - this.height()) / 2 + $(window).scrollTop() + "px");
    this.css("left", ($(window).width() - this.width()) / 2 + $(window).scrollLeft() + "px");
    this.css("display", "block");
    this.css("z-index", "10")
    return this;
}
jQuery.fn.loadthumb = function (options) {
    options = $.extend({
        src: ""
    }, options);
    var _self = this;
    _self.hide();
    var img = new Image();
    $(img).load(function () {
        _self.attr("src", options.src);
        _self.fadeIn("slow");
    }).attr("src", options.src);  //.atte("src",options.src)要放在load后面，
    return _self;
}

var timmer = 500;
$(function () {
    //$(document).pngFix();
    $(".menutab").hover(function () {
        return false;
    }, function () {
        closeMenu();
    })
})
var timer = 500;
function showFrame(e) {
    //clearTimeout(closeMenu);
    if ($(e).next().is(":visible")) {
        return false;
    }
    else {
        $("#menu li ol").hide();
        $("#menu li .l2").removeClass("me_on");
        $(e).addClass("me_on").next().fadeIn(300);
        return false;
    }
}

function hideFrame() {
    $("#menu li .l2").removeClass("me_on");
    $("#menu li ol").fadeOut(timer);
}
function closeMenu() {
    hideFrame();
}

function classmenu(e) {
    $(e).addClass("menuleft_ct");
    //e.className="menuleft_ct prev";
}
function classmenuout(e) {
    $(e).removeClass("menuleft_ct");
    //e.className="prev";
}
function focusmenu(e) {
    e.blur();
}

var obj_lvs = ["lv1", "lv2"];
function obj_lv_hide() {
    for (var i = 0; i < obj_lvs.length; i++) {
        document.getElementById(obj_lvs[i]).style.display = 'none';
    }
}

function hidetabclass() {
    document.getElementById("class1").className = '';
    document.getElementById("class2").className = '';
}
function lv(x) {
    default_pages();
    obj_lv_hide();
    hidetabclass();
    document.getElementById("lv0").style.display = 'none';
    document.getElementById("class" + x).className = 'tabon';
    document.getElementById("lv" + x).style.display = "block";
}

function btn_info_lv(x) {
    document.getElementById("job").style.display = "none";
    document.getElementById("lv_info_bg" + x).style.display = "block";
    document.getElementById("heightLv").style.display = "block";
}

function default_pages() {
    document.getElementById("heightLv").style.display = "none";
    document.getElementById("job").style.display = "block";
    document.getElementById("lv_info_bg1").style.display = "none";
    document.getElementById("lv_info_bg2").style.display = "none";
}

function s_videoList(e) {
    if ($(e).next("ol").is(":visible")) {
        return false;
    }
    $(".s_videoList").hide();
    $(e).next("ol").slideDown();
}