function change_rotation(id , turn , turn_sub_no){
    turn_sub_no = turn_sub_no || '0';
    document.getElementById('turn_id').value = id;
    document.getElementById('turn').value    = turn;
    document.getElementById('turn_sub_no').value = turn_sub_no;

    document.forms[0].submit();
  }

  function delete_img(delete_no){
    document.getElementById('delete_no').value = delete_no;
    document.forms[0].submit();
  }

  function change_img(change_no){
    document.getElementById('change_no').value = change_no;
    document.forms[0].submit();
  }

  function set_main_flag(main_no){
    document.getElementById('main_no').value = main_no;
    document.forms[0].submit();
  }

  function addTag( tagname ) {
    var iCount = 1;
    var isFlag = false;
    for ( i = 0; i < 10; i++ ){
      var result = document.getElementById("form_TAG_NM_" + iCount );
      if (result.value == '' ){
        result.value = decodeURIComponent(tagname);
        isFlag = true;
        break;
      }
      iCount++;
    }
    if ( isFlag == false ){
      alert('タグの登録は10個までです。');
    }
  }

  function set_sub_image(img_target_no){
    document.getElementById('img_target_no').value = img_target_no;
    document.forms[0].submit();
  }
  function openSubImageWindow(url) {
    swidth = screen.width - 270 - 15;
    window.open(url,"WindowOpen","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=270,height=355,left="+ swidth +",top=0");
  }

  function blog_delete(id){
    if(window.confirm('削除してよろしいですか。')){
      document.getElementById('delete_no').value = id;
      document.forms[0].submit();
    }
  }

  function element_delete(url){
    if(window.confirm('削除してよろしいですか。')){
      location.href=url;
    }
  }

  function changeTag( tagname , id ){
    document.getElementById(id).value = decodeURIComponent(tagname);;
  }

  // ひも付け専用のjs1
  function chk_add_link(form,total) {
    var limit = 3;
    if(total >= limit){
      alert('すでに３個登録されています');
    }else{
      form_submit(document.comment_form,'type',4)
    }
  }

  // ひも付け専用のjs2
  function chk_form_submit(form) {
    var limit = 3;
    var total = document.getElementById('total').value;
    // チェックされたcheckboxの数をチェック
    for (var i=0;i<form.elements.length;i++){
      if ((form.elements[i].name=="add_blg_id[]") && (form.elements[i].checked)) {
        total ++;
      }
    }
    if(limit<total){
      alert('登録は3つまでです')
    }else{
      form_submit(form,'type',3)
    }
  }