var TimeOut         = 200;
var currentLayer    = null;
var currentitem     = null;
var currentLayerNum = 0;
var noClose         = 0;
var closeTimer      = null;

function mopen(n) {
  var l  = document.getElementById("menu" + n);
  var mm = document.getElementById("mmenu" + n);
	
  if(l) {
    mcancelclosetime();
    l.style.visibility='visible';
    if(currentLayer && (currentLayerNum != n))
      currentLayer.style.visibility='hidden';
    currentLayer = l;
    currentitem = mm;
    currentLayerNum = n;			
  } else if(currentLayer) {
    currentLayer.style.visibility='hidden';
    currentLayerNum = 0;
    currentitem = null;
    currentLayer = null;
 	}
}

function mclosetime() {
  closeTimer = window.setTimeout(mclose, TimeOut);
}

function mcancelclosetime() {
  if(closeTimer) {
    window.clearTimeout(closeTimer);
    closeTimer = null;
  }
}

function mclose() {
  if(currentLayer && noClose!=1)   {
    currentLayer.style.visibility='hidden';
    currentLayerNum = 0;
    currentLayer = null;
    currentitem = null;
  } else {
    noClose = 0;
  }
  currentLayer = null;
  currentitem = null;
}

document.onclick = mclose;

function cG(){
document.searchForm.s.focus();
alert('無断転載および商用利用を禁じます。\n※無断複製抑制のため、問題部分クリック時にもアラートが表示されます。\n\n赤い帯の部分にマウスカーソルをあてますと解答例の確認ができます。\n\n【お問合せ】\nＮＰＯ法人チーズプロフェッショナル協会\n〒101-0042東京都千代田区神田東松下町17-3\nTEL：03-5577-5737　FAX：03-5577-5738\n');
}