function OnMenu(str, num) {

    menus.style.top = document.body.scrollTop + event.y - 70;

    var hidari_icon = "img/usa_icon.gif";
    var migi_icon   = "img/usa_icon.gif";

    if(num == 2){
      // 右向き
      usa = "  <td valign=\"bottom\"><img src=\""+hidari_icon+"\"></td>\n";
      usa2 = "";
      position = "left";
      menus.style.left = document.body.scrollLeft + event.x + 65;
    } else {
      // 左向き
      usa = "";
      usa2 = "  <td valign=\"bottom\"><img src=\""+migi_icon+"\"></td>\n";
      position = "right";
      menus.style.left = document.body.scrollLeft + event.x - 240;
    }
    menus.style.width = 200;
    h = (Math.round(str.length / 13)) * 14;
    menus.style.height = h
    menus.innerHTML = 
              "<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\" width=\"200\">\n"+
              "<tr>\n"+
              usa +
              "  <td>\n"+
              "    <table border=\"0\" cellspacing=\"0\" cellpadding=\"0\" width=\"100%\">\n"+
              "    <tr>\n"+
              "      <td background=\"img/top_left.gif\" width=\"9\" height=\"7\"></td>\n"+
              "      <td background=\"img/top.gif\" width=\"132\" height=\"7\"></td>\n"+
              "      <td background=\"img/top_right.gif\" width=\"9\" height=\"7\"></td>\n"+
              "    </tr></tr>\n"+
              "      <td width=\"9\" height=\""+h+"\"><img src=\"img/left.gif\" width=\"9\" height=\"100%\"></td>\n"+
              "      <td bgcolor=\"#FFFFFF\" valign=\"top\">"+str+"</td>\n"+
              "      <td width=\"9\" height=\""+h+"\"><img src=\"img/right.gif\" width=\"9\" height=\"100%\"></td>\n"+
              "    </tr><tr>\n"+
              "      <td background=\"img/bottom_left.gif\" width=\"9\" height=\"25\"></td>\n"+
              "      <td background=\"img/bottom.gif\" width=\"132\" height=\"25\" align=\""+position+"\"><img src=\"img/bottom"+num+".gif\"></td>\n"+
              "      <td background=\"img/bottom_right.gif\" width=\"9\" height=\"25\"></td>\n"+
              "    </tr>\n"+
              "    </table>\n"+
              "    <br><br>\n"+
              "  </td>\n"+
              usa2 +
              "</tr>\n"+
              "</table>\n";
    menus.style.visibility = "visible";
    menu2.style.cursor="hand";
    return false;
}

function OffMenu() {
    menus.style.visibility = "hidden";
    return true;
}

var obj;
var offsetX;
var offsetY;

function doInit() {
   if (document.layers /* Netscape Communicator 4.* */) {
      objlist = document.layers;
   } else if (document.all /* Internet Explorer 5.* */) {
      objlist = document.all.tags("SPAN");
   } else if (document.getElementsByTagName /* Netscape 6 */) {
      objlist = document.getElementsByTagName("SPAN");
   } else {
      return;
   }
   for (i = 0; i < objlist.length; i++) {
      if (document.layers) {
         objlist[i].captureEvents(Event.MOUSEDOWN);
      }
      objlist[i].onmousedown = onMouseDown;
   }
   if (document.layers) {
      document.captureEvents(Event.MOUSEMOVE | Event.MOUSEUP);
   }
   document.onmousemove = onMouseMove;
   document.onmouseup = onMouseUp;
}
function onMouseDown(e) {
   obj = this;
   if (document.layers) {
      offsetX = e.layerX;
      offsetY = e.layerY;
   } else if (document.all) {
      offsetX = event.offsetX + 2;
      offsetY = event.offsetY + 2;
   } else if (obj.getElementsByTagName) {
      offsetX = e.pageX - parseInt(obj.style.left);
      offsetY = e.pageY - parseInt(obj.style.top);
   }
   return false;
}
function onMouseMove(e) {
   if (!obj) {
      return true;
   }
   if (document.layers) {
      obj.pageX = e.pageX - offsetX;
      obj.pageY = e.pageY - offsetY;
   } else if (document.all) {
      obj.style.left = event.clientX - offsetX + document.body.scrollLeft;
      obj.style.top = event.clientY - offsetY + document.body.scrollTop;
   } else if (obj.getElementsByTagName) {
      obj.style.left = e.pageX - offsetX;
      obj.style.top = e.pageY - offsetY;
   }
   return false;
}
function onMouseUp(e) {
   obj = null;
}

function OpenWindowOfNowWeek(height, width){

  op = "toolbar=no,location=no,direction=no,status=no,scrollbars=no,menubar=no,resizable=no,width="+width+",height="+height;

  img_file = "now_week.php";
  window.open(img_file, "now_week", op);

}