var currentId = "";
var ie = navigator.userAgent.indexOf("MSIE");
var verIE = 0; winIE = -1;
if (ie >= 0) {
  verIE = parseFloat(navigator.userAgent.substr(ie + 5));
  winIE = navigator.userAgent.indexOf("Windows");
}
function scrollLeft() {
  if(window.pageXOffset)
    return window.pageXOffset;
  if(document.compatMode == "CSS1Compat")
    return document.body.parentNode.scrollLeft;
  if(document.body.scrollLeft)
    return document.body.scrollLeft;
  return 0;
}
function scrollTop() {
  if(window.pageYOffset)
    return window.pageYOffset;
  if(document.compatMode == "CSS1Compat")
    return document.body.parentNode.scrollTop;
  if(document.body.scrollTop)
    return document.body.scrollTop;
  return 0;
}
function getElemLeft(elem) {
  var x = elem.offsetLeft;
  var pa = elem.offsetParent;
  while(pa) {
    if(pa.offsetLeft) x += pa.offsetLeft;
    pa = pa.offsetParent;
  }
  return x;
}
function getElemTop(elem) {
  var y = elem.offsetTop;
  var pa = elem.offsetParent;
  while(pa) {
    if(pa.offsetTop) y += pa.offsetTop;
    pa = pa.offsetParent;
  }
  return y;
}
function showMenu(e, id) {
  if(!document.getElementById) return;
  if(currentId == id) return;
  closeMenu();
  var obj = document.getElementById(id);
  var x,y;
  var elm;
  if(ie >= 0) {
   verIE = parseFloat(navigator.userAgent.substr(ie + 5));
   winIE = navigator.userAgent.indexOf("Windows");
  }  
  if (e.srcElement)elem = e.srcElement;
  else elem = e.currentTarget;
  if(elem.offsetParent && !(verIE > 0 && winIE < 0)) {
     x = getElemLeft(elem);
     y = getElemTop(elem) + elem.offsetHeight;
  }
  else {
     var x = e.clientX + scrollLeft();
     var y = e.clientY + scrollTop();
     x -= 60; y += 16;
 }
 obj.style.left = x + "px";
 obj.style.top =  y + "px";
 obj.style.visibility = "visible";
 currentId = id;
}
function closeMenu() {
  if(!document.getElementById) return;
  if(!currentId) return;
  var obj = document.getElementById(currentId);
  obj.style.visibility = "hidden";
  currentId = "";
}
function bodyClick(e) {
  closeMenu();
}
if(document.getElementById)
   document.onclick = bodyClick;
function addFav() {
  if(verIE >= 4.0 && winIE >= 0)
       window.external.AddFavorite("http://www.e-tokunavi.com/",
       "お得情報−懸賞や賞金、話題商品を紹介");
  else
     alert("このブラウザーでは追加できません。");
}
function move(url) {
  window.location=url;
}