function goTab(id,series)          // Swap content on series page
{
    var maxtabs = 3;
    if (id < 1 || id > 3) { return; }
    var arr = ['',' \u7CFB\u5217\u6982\u8FF0',' \u7CFB\u5217\u6A5F\u578B',' \u7167\u7247\u96C6\u9326']; 

    var newtab = $('#tab'+id);
    newtab.addClass('hereNav').blur();

    for (var i=1; i<=maxtabs; i++) {
        var tabid = '#tab'+i;
        var tabobj  = $(tabid);
        if (tabobj && i != id) {
            var divobj = $(tabid+'_data');
            divobj.css({ display:"none" }); 
            tabobj.removeClass('hereNav');
        }
    }
    $('#tab'+id+'_data').css({ display:"block" }); 
    if (series==='Widescreen') { series = '\u5BBD\u5C4F'; }
    $('#series_head')[0].innerHTML = series + arr[id]; 
}

$(document).ready(function() {
  $('#tn td img').click(function() {
    var f = this.src.replace(/T.gif/,'.jpg');
    $('img#mainimage').attr('src',f);
    $('#tn td').removeClass('show');
    $(this).parent().addClass('show');
  });     

  $("form#main_form").bind("submit", function() { // attach submit testing requirements
      var i, cnt=0, el=$("form#main_form input[@type=checkbox]");
      for (i=0; i < el.length; i++) if (el[i].name.substring(0, 2) == "s_" && el[i].checked) { cnt++; }
      if (cnt < 2 || cnt > 5) {
          alert("\u60A8\u5FC5\u987B\u9009\u62E9 2 \u81F3 5 \u4E2A\u60F3\u8981\u6BD4\u8F83\u7684\u7CFB\u7EDF\uFF0C\u9009\u62E9\u65B9\u6CD5\u662F\uFF0C\u5355\u51FB\u5404\u7CFB\u7EDF\u7684\u8BF4\u660E\u4FE1\u606F\u65C1\u8FB9\u7684\u590D\u9009\u6846\u3002");
          return false;
      }
      this.submit();
  });

  $('img').attr('title', function(){ return this.alt; }); // FF uses title for tooltip
});