if (document.images) 	{
	kgaiyoImg = new Image
	tokuiImg = new Image
	sosikiImg = new Image
	
	kgaiyoImg.src = "images/kgaiyo_o.gif"
	tokuiImg.src = "images/tokui_o.gif"
	sosikiImg.src = "images/sosiki_o.gif"
	
	}

else {
	kgaiyoImg.src = ""
	tokuiImg.src = ""
	sosikiImg.src = ""

	}
	
	
	
function launchCenter(url, name, width, height) {
  var str = "height=" + height + ",innerHeight=" + height;
  str += ",width=" + width + ",innerWidth=" + width;
  if (window.screen) {
    var ah = screen.availHeight - 30;
    var aw = screen.availWidth - 10;

    var xc = (aw - width) / 2;
    var yc = (ah - height) / 2;

    str += ",left=" + xc + ",screenX=" + xc;
    str += ",top=" + yc + ",screenY=" + yc;
  }
  return window.open(url, name, str +'toolbar=no,location=no,status=no,menubar=yes,resizable=no,scrollbars=no');
}