function MenuOn(x){
 if(navigator.appVersion.indexOf("Mac") != -1 && navigator.appName.indexOf( "Microsoft") != -1){
  
 } else {
  obj=document.getElementById
  ("submenu"+x).style.visibility="visible";
 }
}

function MenuOff(x){
 if(navigator.appVersion.indexOf("Mac") != -1 && navigator.appName.indexOf( "Microsoft") != -1){
  
 } else {
  obj=document.getElementById
  ("submenu"+x).style.visibility="hidden";
 }
}

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 open_w340(url){
 window.open(url,"mobile","width=340,height=460,scrollbars=no,status=no,resizable=yes,toolbar=no,location=no,menubar=no");
}