function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

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

var preloadFlag = false;
function preloadImages() {
  if (document.images) {
    menu01o = newImage("../images/menu01o.gif");
    menu02o = newImage("../images/menu02o.gif");
    menu03o = newImage("../images/menu03o.gif");
    menu04o = newImage("../images/menu04o.gif");
    menu05o = newImage("../images/menu05o.gif");
    menu06o = newImage("../images/menu06o.gif");
    tab14o = newImage("images/tab14o.gif");
    inquiry4 = newImage("images/inquiry_p2.gif");
    preloadFlag = true;
  }
}
function open_window(html_url,w,h,window_name){
         newWin = window.open(html_url,window_name,
                              "width="+w+",height="+h+",scrollbars=1,status=0,resizable=yes");
}