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 openInfo(){
	window.open("information/index.html",'','resizable=no,scrollbars=yes,toolbar=no,menubar=no,directories=no,status=no,location=no,width=728,height=600');	
}
function openContact(){
	window.open("mail/contact/index.html",'','resizable=no,scrollbars=yes,toolbar=no,menubar=no,directories=no,status=no,location=no,width=728,height=600');	
}
function openReserved(){
	window.open("mail/reserved/index.html",'','resizable=no,scrollbars=yes,toolbar=no,menubar=no,directories=no,status=no,location=no,width=728,height=600');	
}