/* Pop-Up menu */
function menuGim(funcID){
  document.getElementById(funcID).style.visibility='visible';
}

function menuClose(){
  document.getElementById('hom').style.visibility='hidden';
  document.getElementById('res').style.visibility='hidden';
  document.getElementById('sof').style.visibility='hidden';
  document.getElementById('abo').style.visibility='hidden';
  document.getElementById('lin').style.visibility='hidden';
}

/* open Mini window */
function opMyWindow(mtURL,mySize){
var win1=window.open(mtURL,'newwindow',
'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,width=700,height='+mySize);
}

/* image-pre load */
var image = new Array();
  for( i = 0 ; i < 5 ; i++ ){
  image[i] = new Image();
}

image[0].src= "../img/btn_siteMap_ov.gif";
image[1].src= "../img/btn_English_ov.gif";
image[3].src= "../english/img/btn_japanese_ov.gif";
image[4].src= "../research/img/btn_nextPage.gif";

/* image roll over */
function RollOver (obj,val) {
    obj.src = val;
 }