function auth_for_clip() {
  if (is_authenticated()) {
    return true;
  } else {
    return confirm("作品のクリップにはログインが必要です。続行しますか？");
  }
}

function auth_for_review() {
  if (is_authenticated()) {
    return true;
  } else {
    return confirm("レビューの投稿にはログインが必要です。続行しますか？");
  }
}

function auth_for_eval() {
  if (is_authenticated()) {
    return true;
  } else {
    return confirm("投票にはログインが必要です。続行しますか？");
  }
}

function open_close_vote_win() {
  var e = $("vote_win");
  if (e.style.display == "none") {
    e.style.display = "";
  } else {
    e.style.display = "none";
  }
  return false;
}

function submit_vote(n) {
  $("expect").value = n.toString();
  return true;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function select_search_type(n) {
  $("search_l" + $("search_type").value).className = "";
  $("search_l" + n).className = "select";
  $("search_type").value = "" + n;
}

function setup_movie_top() {
  $("search_btn").onclick = function() { $("search_text").onfocus(); $("formDb").submit(); return false; }
  $("search_text").onblur = function() { if (this.value == "") { this.value = "キーワードを入力"; this.style.color = "#808080"; } }
  $("search_text").onfocus = function() { if (this.value == "キーワードを入力") { this.value = ""; this.style.color = "#000000"; } }
  $("search_text").onblur();
  $("search_l1").onclick = function() { select_search_type(1); return false; }
  $("search_l1").href = "javascript:void(0)";
  $("search_l2").onclick = function() { select_search_type(2); return false; }
  $("search_l2").href = "javascript:void(0)";
  $("search_l3").onclick = function() { select_search_type(3); return false; }
  $("search_l3").href = "javascript:void(0)";
  $("search_l4").onclick = function() { select_search_type(4); return false; }
  $("search_l4").href = "javascript:void(0)";
  $("search_l5").onclick = function() { select_search_type(5); return false; }
  $("search_l5").href = "javascript:void(0)";
  $("search_l6").onclick = function() { select_search_type(6); return false; }
  $("search_l6").href = "javascript:void(0)";
  $("search_l7").onclick = function() { select_search_type(7); return false; }
  $("search_l7").href = "javascript:void(0)";
  select_search_type(1);
}
