function openInfo(loc) {
	var id = "openwindow";
	var win = window.open(loc, id,'scrollbars=yes,directories=no,toolbar=no,location=no,status=no,menubar=no,width=880,height=800');
}

function openIsejin(loc) {
	var id = "openwindow";
	var win = window.open(loc, id,'scrollbars=yes,directories=no,toolbar=no,location=no,status=no,menubar=no,width=880,height=640');
}

function openNews() {
	var id = "news";
	var win = window.open('http://www.isejin.co.jp/kashima/news/index.html', id,'scrollbars=yes,directories=no,toolbar=no,location=no,status=no,menubar=no,width=700,height=720');
}

function openMuseum() {
	var id ="museum";
	var win = window.open('http://www.isejin.co.jp/kashima/museum/index.html', id, 'scrollbars=no,directories=no,toolbar=no,location=no,status=no,menubar=no,width=840,height=600');
}

function openTeam() {
	var id ="team";
	var win = window.open('http://www.isejin.co.jp/kashima/team/index.html', id, 'scrollbars=yes,directories=no,toolbar=no,location=no,status=no,menubar=no,width=840,height=720');
}

function openPlan() {
	var id = "plan";
	var win = window.open('http://www.isejin.co.jp/kashima/demo/plan/index.html', id,'scrollbars=yes,directories=no,toolbar=no,location=no,status=no,menubar=no,width=960,height=720');
}

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);
  }
}