<!--
var isChecked=parseInt(navigator.appVersion.substring(0,3))>=3 && document.images;
var isLoaded =false;

var imgNavi=new Array(6);
var ImgTemp;
var fnameTemp;
var imgMenu1, imgMenu2, imgMenu3, imgMenu4, imgMenu5, imgMenu6;

function preload(){
  if(isChecked){
    imgNavi[0]=new Image(); imgNavi[0].src="./images/menu01on.jpg";
    imgNavi[1]=new Image(); imgNavi[1].src="./images/menu02on.jpg";
    imgNavi[2]=new Image(); imgNavi[2].src="./images/menu03on.jpg";
    imgNavi[3]=new Image(); imgNavi[3].src="./images/menu04on.jpg";
    imgNavi[4]=new Image(); imgNavi[4].src="./images/menu05on.jpg";
    imgNavi[5]=new Image(); imgNavi[5].src="./images/menu06on.jpg";
    isLoaded=true;
  }
}

function changeImage(number,img){
  if(isLoaded){
    imgTemp=img;
    fnameTemp=img.src;
    img.src=imgNavi[number].src;
  }
}

function restoreImage(){
  if(isLoaded && typeof(imgTemp)!="undefined" && typeof(fnameTemp)!="undefined"){
    imgTemp.src=fnameTemp;
  }
}
//-->