///////////////////////////////////////////////////////////////
function check_groupname(course_id) {
    var $group_name = $('#group_name');
    $.get(
        '<%=valid_ajax_course_path%>',
        { valid: "name",
        value: document.getElementById('group_name').value,
        course_id: course_id },
        function (data) {
            if (!data.valid) {
                alert(data.message);
            }
        });
}

function validate_groupname(value1) {
    if(value1.length > 20) {
        alert('<%= l(:label_limit_groupname) %>');
    }
}

function checkclass(value) {
    for(var i = 0; i < document.getElementsByName("check_group_name").length; i++) {
        if(document.getElementsByName("check_group_name")[i].id == value) {
            document.getElementById(value).className = "selected";
        }
        else {
            document.getElementsByName("check_group_name")[i].className = "classbox";
        }
    }
}
function validate_groupname_null(value1) {
    value1 = value1.trim();
    if(value1.length == 0 ) {
        alert('<%= l(:label_limit_groupname_null) %>');
    }
}
function validate_update(name) {
    value1 = document.getElementById(name).value;
    validate_groupname(value1);

}
function validate_add_group() {
    check_groupname();
}
///////////////////////////////////////////////////////////////

//验证搜索时输入名字
function regexName(content)
{
    var name = $.trim($("#name").val());
    if(name.length == 0)
    {
        $("#project_name_span").text(content);
        $("#project_name_span").css('color','#ff0000');
        $("#project_name_span").focus();
        return false;
    }
    else
    {
        $("#project_name_span").text("");
        return true;
    }
}
//提交搜索
function submitSerch(content)
{
    if(regexName(content)){$("#course_search_form").submit();}
}
//课程描述显示更多信息
function show_more_msg()
{
    $("#course_description").toggleClass("course_description_none");
}
//作业描述显示更多信息
function news_show_more_des(id)
{
  $('#news_description_' + id).toggleClass("news_description_none");
}
function bid_show_more_des(id)
{
    $("#bid_description_" + id).toggleClass("news_description_none");
}

//课程作业结束时间倒计时
function show_bid_dead_line(year,month,day,divname)
{
    var now = new Date();
    var endDate = new Date(year, month-1, day);
    var leftTime=endDate.getTime()-now.getTime();
    var leftsecond = parseInt(leftTime/1000);
    var day1=Math.floor(leftsecond/(60*60*24));
    var hour=Math.floor((leftsecond-day1*24*60*60)/3600);
    var minute=Math.floor((leftsecond-day1*24*60*60-hour*3600)/60);
    var second=Math.floor(leftsecond-day1*24*60*60-hour*3600-minute*60);
    $("#"+divname).html("<form name='formnow' class='fr'>"
    + "<input class='c_orange' type='text' style='border:0;' size='1' value='"+day1+"' > 天"
    + "<input class='c_orange' type='text' style='border:0;' size='1' value='"+hour+"' > 小时"
    + "<input class='c_orange' type='text' style='border:0;' size='1' value='"+minute+"' > 分"
    + "<input class='c_orange' type='text' style='border:0;' size='1' value='"+second+"' > 秒"
    + "</form>"
    + "<p class='fr'>作业提交还剩：</p>");
}
//验证新建作业的名字
function regex_bid_name()
{
    var name = $.trim($("#bid_name").val());

    if(name=="")
    {
        $("#bid_name_span").text("名称不能为空");
        return false;
    }
    else
    {
        $("#bid_name_span").text("");
        return true;
    }
}

//验证匿评数量
function regex_evaluation_num()
{
    var evaluation_num = $.trim($("#bid_evaluation_num").val());
    var regex = /^\d+$/;
    if($("#bid_open_anonymous_evaluation").attr("checked") == "checked")
    {
        if(evaluation_num=="")
        {
            $("#bid_evaluation_num_span").text("匿评分配数量不能为空");
            return false;
        }
        else if(regex.test(evaluation_num))
        {
            if(evaluation_num > 0)
            {
                $("#bid_evaluation_num_span").text("");
                return true;
            }
            else
            {
                $("#bid_evaluation_num_span").text("匿评分配数量必须为大于0");
                return false;
            }
        }
        else
        {
            $("#bid_evaluation_num_span").text("匿评分配数量只能为数字");
            return false;
        }
    }
    else
    {
        return true;
    }
}

//点击是否开启匿评单选框效果
$(function(){
    $("#bid_open_anonymous_evaluation").click(function(){
        if($("#bid_open_anonymous_evaluation").attr("checked") == "checked")
        {
            $("#bid_evaluation_num").slideDown();
        }
        else
        {
            $("#bid_evaluation_num").slideUp();
        }
    });
});

//老师提交新建作业
function submit_new_bid(id)
{
    if(regex_bid_name()&&regex_evaluation_num())
    {
        $("#"+id).submit();
    }
}

function show_window (id1,id2,top,left) {
    $('#'+ id1).css('top',top);
    $('#'+ id1).css('left',left);
    $('#'+ id1).css('display','block');
    $('#' + id2).css('display','block');
}

function close_window(id1,id2){
    $('#' + id1).css('display','none');
    $('#' + id2).css('display','none');
}

//隐藏提示狂
function hidden_atert_form(cur_page,cur_type)
{
    hideModal($("#popbox"));
}

//当课程描述长度小于112px时，不显示更多按钮
$(function(){
    if($("#course_description_content").height()>112)
    {
        $("#lg-foot").show();
    }
});

//将右侧的最小高度设置成左侧高度，美化界面
$(document).ready(function () {
    $("#RSide").css("min-height",$("#LSide").height()-30);
});