var curKeys;
var quesLib = ques[0];
var m_gbQuestions, m_gbAnswers;
window.onload = function() {
    GroupBoxEx("input_area", "", 15, 15, 600, 31, {
        paddingTop: "10px",
        paddingLeft: "10px"
    });
    m_gbQuestions = new GroupBoxEx("question_list_area", "题目列表", 15, 66, 340, 169, {});
    m_gbAnswers = new GroupBoxEx("answer_list_area", "答案预览", 380, 66, 235, 169, {});
    GroupBox("answer_detail_area", "", 15, 265, 600, 100);
    var keyin_obj = document.getElementById("keyword");
    document.getElementById("query_type").onchange = function() {
        quesLib = ques[this.value];
        m_gbQuestions.setWidth(quesLib.hasAnswer == false ? 600 : 340);
        m_gbAnswers.setVisibility(quesLib.hasAnswer);
        document.getElementById('questions').style.width = (quesLib.hasAnswer == false ? 595 : 335) + 'px';
        document.getElementById("questions").options.length = 0;
        document.getElementById("answers").options.length = 0;
    }
    for (i in ques) document.getElementById("query_type").options[i] = new Option(ques[i].title, i);
    var keyword_change = function() {
        var quesList = document.getElementById("questions");
        var answList = document.getElementById("answers");
        var kw = keyin_obj.value.replace(/\s+/ig, " ");
        kw = keyin_obj.value.replace(/^\s+|\s+$/ig, "");
        var kwArr = kw.split(' ');
        if (kw != "") {
            quesList.options.length = 0;
            answList.options.length = 0;
            var c = 0;
            for (var i = 0; i < quesLib.datas.length; i++) {
                if (quesLib.isMatch(kwArr, i)) {
                    quesList.options[quesList.options.length] = new Option(quesLib.getQuestion(i), i);
                    if (quesLib.hasAnswer) answList.options[answList.options.length] = new Option(quesLib.getAnswer(i), i);
                    c++;
                }
            }
            if (c == 0) alert("无法找到匹配的问题，请重新选择关键词。");
        } else {
            alert("请先输入关键词。");
        }
    }
    document.getElementById("query_btn").onclick = keyword_change;
    keyin_obj.onkeydown = function(e) {
        var ev = window.event || e;
        if (ev.keyCode == 13) keyword_change();
    }
}