//roll_overImage
function chgImg() {
 if (document.images && (preloadFlag == true)) {
  var img;
  for (var i=0; i<chgImg.arguments.length; i+=2) {
   img = null;
   img = document.images[chgImg.arguments[i]];
   if (img) {
    img.src = chgImg.arguments[i+1];
   }
  }
 }
}

//preload_Images
var preloadFlag = false;
function preloadImages() {
 if (document.images) {
  img00 = newImg("/skin/images/menu01.gif");
  img01 = newImg("/skin/images/menu01_on.gif");
  img02 = newImg("/skin/images/menu02.gif");
  img03 = newImg("/skin/images/menu02_on.gif");
  img04 = newImg("/skin/images/menu03.gif");
  img05 = newImg("/skin/images/menu03_on.gif");
  img06 = newImg("/skin/images/menu04.gif");
  img07 = newImg("/skin/images/menu04_on.gif");
  img08 = newImg("/skin/images/menu05.gif");
  img09 = newImg("/skin/images/menu05_on.gif");
  img10 = newImg("/skin/images/menu06.gif");
  img11 = newImg("/skin/images/menu06_on.gif");
  img12 = newImg("/skin/images/flow.gif");
  img13 = newImg("/skin/images/flow_on.gif");
  img14 = newImg("/skin/images/check.gif");
  img15 = newImg("/skin/images/check_on.gif");
  img16 = newImg("/skin/images/faq.gif");
  img17 = newImg("/skin/images/faq_on.gif");
  img18 = newImg("/skin/images/sotsugyo.gif");
  img19 = newImg("/skin/images/sotsugyo_on.gif");
  img20 = newImg("/skin/images/contact.gif");
  img21 = newImg("/skin/images/contact_on.gif");
  preloadFlag = true;
 }
}
function newImg(arg) {
 if (document.images) {
  rslt = new Image();rslt.src = arg;
  return rslt;
 }
}
if(preloadFlag == false){
  preloadImages();
}