function clear() {

  var menu = new Array("bed","toko","ijo","hada","syoku","jikatu","hokou","kuruma","bath","haisetu","isi","yobou","sisetu","zayaku","calorie","jutaku","influ");
  var category = new Array("subbed","subtoko","subijo","subhada","subsyoku","subjikatu","subhokou","subkuruma","subbath","subhaisetu","subisi","subyobou","subsisetu","subjutaku","subinflu");

  for(i=0;i<menu.length;i++){
    document.getElementById(menu[i]).style.backgroundPosition = "0 0";
  }

  for(i=0;i<category.length;i++){
    document.getElementById(category[i]).style.visibility = "hidden";
  }

}

function menuopen(caName) {

  clear();
  document.getElementById(caName).style.backgroundPosition = "0 -27px";

  if(caName == "bed") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "toko") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "ijo") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "hada") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "syoku") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "jikatu") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "hokou") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "kuruma") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "bath") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "haisetu") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "isi") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "jutaku") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "yobou") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "sisetu") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  } else if(caName == "influ") {
    name = "sub"+caName;
    document.getElementById(name).style.visibility = "visible";
  }

}

function menuclose() {
  clear();
}

function getPage() {
  if(document.all && !window.opera) {
    window.external.AddFavorite("http://oasis.xb.shopserve.jp/","介護用品,福祉用具のオアシスMSC");
  } else {
    alert("ブラウザが対応していないため、自動登録できません。\n"+"手動にて行っていただきますよう、よろしくお願い致します。");
  }
}