/* begin: init functions*/
function initFaq(){
  var ui_lang = getURLParam("ui_lang");
  if (ui_lang!="zh-hk" && ui_lang!="zh-cn" && ui_lang!='en'){
      ui_lang="zh-hk";
  }
  if (ui_lang == "zh-cn"){
    var v = ["topNavLogo", "topNavLeft", "topNavRight1", "topNavRight2",
              "topNavBrand", "deptNavMenu"];
    var tc = new Array();
    var sc = new Array();
    for (var i = 0; i < v.length; i++){
      tc[i] = document.getElementById(v[i]+"TcBlock");
      sc[i] = document.getElementById(v[i]+"ScBlock");
      tc[i].setAttribute("class", "hide");
      tc[i].setAttribute("className", "hide");
      sc[i].setAttribute("class", "show");
      sc[i].setAttribute("className", "show");
    }
  }
}

function initUILang(){
  var outForm = document.search;
  with(outForm){
    if (ui_lang.value == "en"){
      return ;
    }
    ui_lang.value = getURLParam("ui_lang");
    if (ui_lang.value!="zh-hk" && ui_lang.value!="zh-cn" && ui_lang.value!="en"){
      ui_lang.value="zh-hk";
    }
    /*
      when url contains http://sc.info.gov.hk/TuniS/
      ui_lang should be regarded as "zh-cn"
    */
    if (window.location.href.match("http://sc.info.gov.hk/TuniS/")){
      ui_lang.value="zh-cn";
    }
    if (ui_lang.value == "zh-cn"){
      var v = ["topNavLogo", "topNavLeft", "topNavRight1", "topNavRight2",
                "topNavBrand", "searchBtnTop", "searchBtnBtm", "faqLink"];
      var tc = new Array();
      var sc = new Array();
      for (var i = 0; i < v.length; i++){
        tc[i] = document.getElementById(v[i]+"TcBlock");
        sc[i] = document.getElementById(v[i]+"ScBlock");
        tc[i].setAttribute("class", "hide");
        tc[i].setAttribute("className", "hide");
        sc[i].setAttribute("class", "show");
        sc[i].setAttribute("className", "show");
      }
    }
  }
}
function initQuery(thisForm){
  with(thisForm){
    query.value = decodeURIComponent(getURLParam("init_query"));
    exact_q.value = decodeURIComponent(getURLParam("init_exact_q"));
    any_q.value = decodeURIComponent(getURLParam("init_any_q"));
    none_q.value = decodeURIComponent(getURLParam("init_none_q"));
  }
}
function initWebsite(thisForm){
  with (thisForm){
    var x = decodeURIComponent(getURLParam("gp1"));
    if (x){
      var v = new Array();
      v = x.split(",");
      wb_all.checked = 1;
      var rsd_cnt = 0;
      for (var i = 0; i < v.length; i++){
        var flag = false;
        for (var j = 1; j < wb_within_v.length; j++){              
          if (v[i] == wb_within_v[j].value){
            wb_within_v[j].checked = 1;
            wb_within.checked = 1;
            flag = true;
            break;
          }
        }
        if (flag){
          continue;
        }
        for (var j = 0; j < wb_within_rsd_v.length; j++){
          if (v[i] == wb_within_rsd_v[j].value){
            wb_within_rsd_v[j].checked = 1;
            wb_within.checked = 1;
            flag = true;
            rsd_cnt++;
            break;
          }
        }
        if (flag){
          continue;
        }
        for (var j = 0; j < wb_dept_list.options.length; j++){
          if (v[i] == wb_dept_list.options[j].value){
            wb_dept_list.options[j].selected = 1;
            wb_spec.checked = 1;
            break;
          }
        }
      }
      if (rsd_cnt == wb_within_rsd_v.length){
        wb_within_v[0].checked = 1;
      }
    }
  }
}
function initLang(thisForm){
  with(thisForm){
    var x = getURLParam("r_lang");
    if (x=="en" || x=="ch"){
      lga_any.checked = 0;
      lga_other.checked = 1;
      if (x == "en"){
        lga_en.checked = 1;
      }
      if (x == "ch"){
        lga_ch.checked = 1;
      }
    }
  }
}
function initDate(thisForm){
  with(thisForm){
    var x = decodeURIComponent(getURLParam("last_mod"));
    if (x){
      if (x.charAt(0) == '#'){
        if (x.charAt(1) == '-'){
          date_any.checked = 1;
        }else{
          date_within.checked = 1;
          for (var i = 0; i < date_last.options.length; i++){
            if (x == date_last.options[i].value){
              date_last.options[i].selected = 1;
              break;
            }
          }
        }
      }else{
        date_fromto.checked = 1;
        var y = "";
        /* start date year */
        y = x.substr(0, 4);
        for (var i = 1; i < s_date_year.options.length; i++){
          if (y == s_date_year.options[i].value){
            s_date_year.options[i].selected = 1;
            break;
          }
        }
        /* start date month */
        y = x.substr(4, 2);
        for (var i = 1; i < s_date_month.options.length; i++){
          if (y == s_date_month.options[i].value){
            s_date_month.options[i].selected = 1;
            break;
          }
        }
        /* start date day */
        y =  x.substr(6, 2);
        for (var i = 1; i < s_date_day.options.length; i++){
          if (y == s_date_day.options[i].value){
            s_date_day.options[i].selected = 1;
            break;
          }
        }
        /* end date year */
        y = x.substr(9, 4);
        for (var i = 1; i < e_date_year.options.length; i++){
          if (y == e_date_year.options[i].value){
            e_date_year.options[i].selected = 1;
            break;
          }
        }
        /* end date month */
        y = x.substr(13, 2);
        for (var i = 1; i < e_date_month.options.length; i++){
          if (y == e_date_month.options[i].value){
            e_date_month.options[i].selected = 1;
            break;
          }
        }
        /* start date day */
        y =  x.substr(15, 2);
        for (var i = 1; i < e_date_day.options.length; i++){
          if (y == e_date_day.options[i].value){
            e_date_day.options[i].selected = 1;
            break;
          }
        }
      }
    }
  }
}
function initFileFormat(thisForm){
  with(thisForm){
    var x = getURLParam("doc_type");
    if (x){
      for (var i = 0; i < file_type.options.length; i++){                  			
        if (x == file_type.options[i].value){
          file_type.options[i].selected = 1;
          break;
        }
      }
    }
  }
}
function initDisplay(thisForm){
  with(thisForm){
    x = getURLParam("p_size");
    if (x){
      for (var i = 0; i < page_size.options.length; i++){
        if (x == page_size.options[i].value){
          page_size.options[i].selected = 1;
          break;
        }
      }
    }
  }
}
function initForm(){
  var frontForm = document.search;
  initQuery(frontForm);
  var backForm = document.adv_search_backend;
  initFileFormat(backForm);
  initWebsite(backForm);
  initLang(backForm);
  initDate(backForm);
  initDisplay(backForm);
}
function init(){
  initUILang();
  if (getURLParam("is_init") == "true"){
    initForm();
  }
}
/* end: init */