//preload
function preload() {
  var img = new Array(
  '../img/back90.png',
  '../img/menuicon_hover.png',
  '../img/menuicon_hover.gif'
  );
  var imgl = img.length, images = new Array(imgl);
  for ( var i=0; i < imgl; i++ ) {
    images[i] = new Image();
    images[i].src = img[i];
  }
}

//menu
function menuch() {
  var acp = new Array(
  "index",
  "sunheart",
  "infomation",
  "mizuho",
  "hibino",
  "tochi",
  "daiki",
  "doc02",
  "doc01"
  );
  var acn = new Array(
  "トップページ",
  "サンハートはこんな薬局です",
  "私たちにできること",
  "至誠堂薬局（本店）",
  "サンハート薬局 日比野店",
  "サンハート薬局 当知店",
  "サンハート薬局 大喜店",
  "薬について知っておきたいこと",
  "気をつけたい熱中症"
  );
  var add = location.href, acpl = acp.length, name;
  if ( add == "http://www.sunheart-yakkyoku.com/" ) {
    document.getElementById("mn_index").innerHTML = "<div>" + acn[0] + "</div>";
    document.getElementById("mn_index").className = "on";
  }
  for ( var i = 0; i < acpl; i++ ) {
    name = "mn_" + acp[i];
    if ( add.indexOf( acp[i] + ".php",0 ) != -1 ) {
      document.getElementById(name).innerHTML = "<div>" + acn[i] + "</div>";
      document.getElementById(name).className = "on";
      document.getElementsByTagName("title")[0].innerHTML = acn[i] + "｜くすりのサンハート";
      break;
    }
  }
}

//totop
function totop() {
  scrollTo(0,0);
}