function searchbnt(){
	var re = /[~!@\#$%^&*\()<>\-=+_']/gi;
			
	if($("#searchWord").val().length < 2 && $("#searchWord").val().length > 0){
		alert("두 단어 이상의 검색어를 입력 하세요.");
		return false;
	}

	if(re.test(document.getElementById("searchWord").value)){
		alert("특수문자는 입력하실수 없습니다.");
		return false;
	}
			
	//$("#list_wrap").empty().append(cache["loadimg"]);
	$("#page_no").val(1);
	document.getElementById("search_word").value = $("#searchWord").val();
	
	if($("#country").val() != "전체" || $("#country").val().length > 0){
        read_nationCode($("#country").val());
	}else{
	    document.getElementById("natCd").value = "";
    }
	
	if($("#keyword").val() == "전체"){
	    document.getElementById("courseDiv").value = "";
	}else if($("#keyword").val() == "어학연수"){
	    document.getElementById("courseDiv").value = "1078001";
	}else if($("#keyword").val() == "대학(원)유학"){
	    document.getElementById("courseDiv").value = "1078002";
	}else if($("#keyword").val() == "초중고유학"){
	    document.getElementById("courseDiv").value = "1078003";
	}else{
	    document.getElementById("courseDiv").value = ""; 
	}
	
	read_qna_list();
	//return false;

}

function read_nationCode(p_articleCd){
	$.ajax({
		url: '/service/common/svc_nationCode.asp',
		type: 'POST',
		data: "nat_name="+p_articleCd,
		dataType: 'json',
		//timeout: 3000,
		error: function() {
			document.getElementById("natCd").value = "";
		},
		success: function(p_data) {
			if(p_data.nation_cd != ""){
			    document.getElementById("natCd").value = p_data.nation_cd; 
			}else{
			    document.getElementById("natCd").value = "";
			}
		}
	});
}

function read_qna_page(_arg){
    $("#page_no").val(_arg);
	read_qna_list();
}


/************************ IE 버전 체크 */
function get_version_of_IE () { 
	 var word; 
	 var version = "N/A"; 
	 var agent = navigator.userAgent.toLowerCase(); 
	 var name = navigator.appName; 

	 if ( name == "Microsoft Internet Explorer" ) word = "msie "; // IE old version ( IE 10 or Lower ) 
	 else { 
		 if ( agent.search("trident") > -1 ) word = "trident/.*rv:"; 			 // IE 11 
		 else if ( agent.search("edge/") > -1 ) word = "edge/"; 			 // Microsoft Edge  
	 } 
	 var reg = new RegExp( word + "([0-9]{1,})(\\.{0,}[0-9]{0,1})" ); 
	 if (  reg.exec( agent ) != null  ) version = RegExp.$1 + RegExp.$2; 
	 return version; 
} 
/*************************/

function read_qna_list(){
/************************ ↓↓ Ajax URL 변경. */
	var querystring	
	if ((parseInt(get_version_of_IE(),10))>9 || get_version_of_IE() == "N/A"){	// IE 10이상 또는 기타브라우저시.
			querystring = "ntype="+$("#ntype").val()+"&natCd="+$("#natCd").val()+"&page_no="+$("#page_no").val()+"&course_div="+$("#courseDiv").val()+"&page_size="+$("#page_size").val()+"&search_Field="+$("#search_field").val()+"&search_Word="+$("#search_word").val()+"&prenext="+$("#prenext").val()+"&summary_len=200";
			window.history.pushState("","",location.pathname+"?"+querystring);
	}

/************************ ↓↓ Ajax 페이지 reload */
    
	var param = {natCd: $("#natCd").val(),
                 page_no: $("#page_no").val(),
                 course_div: $("#courseDiv").val(),
                 page_size: $("#page_size").val(),
                 search_field: $("#search_field").val(),
                 search_word: $("#search_word").val(),
				 prenext: $("#prenext").val(),
                 summary_len: 200
                };

    $.ajax({
        url: "/service/talk/svc_talk_qna_list.asp",
        type: 'POST',
        data: param,
        dataType: 'json',
        async: true,
        //timeout: 3000,
        error: function(p_req, p_status, p_err) {
            //alert('ERR1');
            alert("QnA 를 읽는 중 오류가 발생하였습니다. 잠시 후 이용바랍니다.");
        },
        success: function(p_data) {
            var dataList = $("#list_wrap");
            dataList.empty();
			
            if (p_data.totalCnt <= 0)
            {
                dataList.append("<span>등록된 질문이없습니다.</span>");
            }
            else
            {
                for (var idx = 0; idx < p_data.dataList.length; idx++)
                {
                    var datarec = p_data.dataList[idx];
					
                    var viewPageUrl = "talk_qna_view.asp" +
										"?mth=" + $("#search_method").val() +
										"&natCd=" + $("#natCd").val() +
										"&pageNo=" + $("#page_no").val() +
										"&courseDiv=" + $("#courseDiv").val() +
										"&searchWord=" + $("#search_word").val() +
										"&bbsCd=" + datarec.bbs_code +
										"&rnum=" + datarec.seq +
										"&prenext=" + $("#prenext").val() ;
										
				
				        if(datarec.ans_progress_code == "1064002"){
                            ans_pcode_txt = "<span class=\"box-red mg-r10 qna-status\">답변완료</span>";
                        }else{
                            ans_pcode_txt = "";
                        }
						
                 dataList.append("<li>"+
								 "<div class=\"num hidden-xs\">"+datarec.RNUM+"</div>"+
								 "<div class=\"title-full\">"+ans_pcode_txt+
								 "<a href=\""+viewPageUrl+"\">"+dvf_html2entity(dvf_ellipsisStr(unescape(datarec.title),80)) + "</a>"+
								 "</div>"+
								 "<div class=\"text-preview\">"+dvf_html2entity(dvf_ellipsisStr(unescape(datarec.summary),80)) + "</div>"+
								 "<div class=\"etc\">"+
								 "작성자 : <span class=\"fc-blackgray\">"+datarec.user_name+"</span> ㅣ"+
								 "작성일 : <span class=\"fc-blackgray\">"+datarec.regdate+"</span> ㅣ"+
								 "<br class=\"visible-xs\"/>조회수 : <span class=\"fc-blackgray\">"+datarec.read_cnt+"</span>"+
								 "</li>");
                }
            }
            // paging 다시 그리기
            viewPaging(parseInt($("#page_no").val(),10), p_data.totalCnt);
        }
    });
}
 
function dvf_html2entity(p_src)
{
	var result = "";
	if (p_src != null && p_src != undefined)
	{
		result = p_src.replace(/&/g, "&amp;").replace(/\?/g, "&#63;").replace(/:/g, "&#58;").replace(/\//g, "&#47;").replace(/'/g, "&#39;").replace(/"/g, "&quot;").replace(/\./g, "&#46;");
	}

	return result;
}

function dvf_ellipsisStr(p_src, p_len)
{
	var l = 0;
	for (var i=0; i < p_src.length; i++) {
		l += (p_src.charCodeAt(i) > 128) ? 2 : 1;
		if (l > p_len)
			return p_src.substring(0,i) + "..";
	}

	return p_src
}

function viewPaging(p_pageNo, TotalCount)
{

	var pageSize = parseInt(document.getElementById("page_size").value); 
	var viewPagingNo = parseInt(document.getElementById("view_paging_no").value);
	
	var totPageCnt = Math.floor((TotalCount - 1) / pageSize) + 1;
	var stPageno  = p_pageNo - ((p_pageNo - 1) % viewPagingNo);
	var endPageno = stPageno + viewPagingNo - 1;
	if (endPageno > totPageCnt)
	{
        endPageno = totPageCnt;
	}

        var pagingTxt = "<li class='hidden-xs'>"
		pagingTxt += 1 < p_pageNo ? " <a href='javascript:read_qna_page(1);'><span aria-hidden='true' class='glyphicon glyphicon-backward'></span></a> " : " <a href='javascript:;' aria-label='First'><span aria-hidden='true' class='glyphicon glyphicon-backward'></span></a>";
	    pagingTxt += "</li>"
		
		pagingTxt += "<li>"
		pagingTxt += 1 < p_pageNo ? " <a href='javascript:read_qna_page("+parseInt(p_pageNo-1)+");' aria-label='Previous'><span aria-hidden='true' class='glyphicon glyphicon-triangle-left'></span></a> " : " <a href='javascript:;' aria-label='Previous'><span aria-hidden='true' class='glyphicon glyphicon-triangle-left'></span></a> ";
		pagingTxt += "</li>"
		
		var pagingcnt = 1;
		var pagingaddclass = "";
		
		for (var idx = stPageno; idx <= endPageno; idx++)
		{
			if(pagingcnt > 5){
				pagingaddclass = " class='hidden-xs' ";
			}

			pagingTxt += p_pageNo != idx ? " <li "+ pagingaddclass +"><a href='javascript:read_qna_page("+ idx +");'>" + idx + "</a></li> " : " <li class='active'><a href='javascript:;'>" + idx + "</a></li> ";
		    
			pagingcnt = pagingcnt + 1
		}
        
		pagingTxt += "<li>"
		pagingTxt += totPageCnt > p_pageNo ? " <a href='javascript:read_qna_page("+ parseInt(p_pageNo+1) +");' aria-label='Next'><span aria-hidden='true' class='glyphicon glyphicon-triangle-right'></span></a> " : " <a href='javascript:;' aria-label='Next'><span aria-hidden='true' class='glyphicon glyphicon-triangle-right'></span></a> ";
	    pagingTxt += "</li>"
		
		pagingTxt += "<li class='hidden-xs'>"
		pagingTxt += totPageCnt > p_pageNo ? " <a href='javascript:read_qna_page("+ totPageCnt +");' aria-label='Last'><span aria-hidden='true' class='glyphicon glyphicon glyphicon-forward'></span></a>  " : "  <a href='javascript:;' aria-label='Last'><span aria-hidden='true' class='glyphicon glyphicon glyphicon-forward'></span></a> ";
		pagingTxt += "</li>"

	$("#pagingNav").html(pagingTxt);
}

function fn_qacall(){
	var tletxt = "온라인 Q&A 상담 서비스";		
	
	$.ajax({
		url: "/service/login/svc_login_user.asp",
		type: 'POST',
		data: '',
		dataType: 'json',
		async: false,
		error: function() {
			alert("Login 정보 확인 중 오류 발생.");
		},
		success: function(p_data) {
			if (p_data.is_login){
				document.location.href='/talk/talk_qna_request.asp';
			}else{
				if(confirm('Q&A 상담 서비스는 상담결과 회신을 위하여\n로그인을 필요로 합니다.\n로그인 하시겠습니까?')){
					document.location.href='http://www.eduhouse.net/members/login.asp?returnUrl=http%3A%2F%2Fwww%2Eeduhouse%2Enet%2Ftalk%2Ftalk%5Fqna%5Frequest%2Easp';
				}
			}
		}
	});
}