function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 25);
  }
}


function closeWin(){
    window.close();
}


/************************************************
	Description: ポップアップ
************************************************/
function openOption(){
	window.open("http://www.arnavi.net/data/enshutsu/index.html","",'resizable=no,scrollbars=yes,menubar=no,directories=no,status=no,location=yes,width=696,height=640');
}
function openOption01(){
	window.open("http://www.arnavi.net/data/enshutsu/kurume/index.html","",'resizable=no,scrollbars=yes,menubar=no,directories=no,status=no,location=yes,width=696,height=640');
}
function openOption02(){
	window.open("http://www.arnavi.net/data/enshutsu/kokura/index.html","",'resizable=no,scrollbars=yes,menubar=no,directories=no,status=no,location=yes,width=696,height=640');
}
function openOption03(){
	window.open("http://www.arnavi.net/data/enshutsu/saga/index.html","",'resizable=no,scrollbars=yes,menubar=no,directories=no,status=no,location=yes,width=696,height=640');
}

function openParty(){
	window.open("http://www.arnavi.net/data/second_party/index.html","",'resizable=no,scrollbars=yes,menubar=no,directories=no,status=no,location=yes,width=920,height=640');
}
function openParty01(){
	window.open("http://www.arnavi.net/data/second_party/kurume/index.html","",'resizable=no,scrollbars=yes,menubar=no,directories=no,status=no,location=yes,width=920,height=640');
}

function openParty02(){
	window.open("http://www.arnavi.net/data/second_party/kokura/index.html","",'resizable=no,scrollbars=yes,menubar=no,directories=no,status=no,location=yes,width=920,height=640');
}
function openParty03(){
	window.open("http://www.arnavi.net/data/second_party/saga/index.html","",'resizable=no,scrollbars=yes,menubar=no,directories=no,status=no,location=yes,width=920,height=640');
}
function openCM(){
	window.open("movie/cm01.html","",'resizable=no,scrollbars=no,menubar=no,directories=no,status=no,location=no,width=640,height=480');
}