function CallMygate(id)
{
  var ItemID;
  switch(id)
  {
  case 1:
    ItemID=3677;break;
  case 2:
    ItemID=3678;break;
  default:
    alert("指定のIDをご利用ください。");return false;
  }
  var f=document.createElement("form");
  f.setAttribute("action","http://www.mygate.co.jp/shopping/store/list/item/item.cfm");
  f.setAttribute("target","_mygate_item_win_");
  f.setAttribute("method","POST");
  f.setAttribute("id","_call_mygate_");
  var inps=new Object;
  inps[0]=document.createElement('input');
  inps[0].setAttribute("type","HIDDEN");
  inps[0].setAttribute("name","ShopID");
  inps[0].setAttribute("value","77");
  inps[1]=document.createElement('input');
  inps[1].setAttribute("type","HIDDEN");
  inps[1].setAttribute("name","ItemID");
  inps[1].setAttribute("value",ItemID);
  for(var iLoop in inps)
    f.appendChild(inps[iLoop]);
  document.body.appendChild(f);
  var w=window.open("about:blank","_mygate_item_win_","status=yes,scrollbars=yes,resizable=yes,width=700,height=800");
  f.submit();
  f=null;
  return false;
}