// JavaScript Document

// swap navigation
  var aryImages = new Array(3);
  var aryImages1 = new Array(3);
  aryImages[0] = "images/narita22.gif";
  aryImages[1] = "images/kansai22.gif";
  aryImages[2] = "images/central22.gif";
  aryImages1[0] = "images/narita2.gif";
  aryImages1[1] = "images/kansai2.gif";
  aryImages1[2] = "images/central2.gif";
    for (i=0; i < aryImages.length; i++) {
      var preload = new Image();
      preload.src = aryImages[i];}
   
    for (i=0; i < aryImages1.length; i++) {
      var preload = new Image();
      preload.src = aryImages[i]; }
   
 function swap(num) {
 document['img'+num].src = aryImages[num];
 }
 function swap1(num1) {
 document['img'+num1].src = aryImages1[num1];
 }

// popup window
function popupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width=320,height=430,screenX=150,screenY=150,top=150,left=150')
}