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) {
		vlc_menu_01_over = newImage("images/vlc_menu_01-over.gif");
		vlc_menu_02_over = newImage("images/vlc_menu_02-over.gif");
		vlc_menu_03_over = newImage("images/vlc_menu_03-over.gif");
		vlc_menu_04_over = newImage("images/vlc_menu_04-over.gif");
		vlc_menu_05_over = newImage("images/vlc_menu_05-over.gif");
		vlc_menu_06_over = newImage("images/vlc_menu_06-over.gif");
		vlc_menu_07_over = newImage("images/vlc_menu_07-over.gif");
		vlc_menu_08_over = newImage("images/vlc_menu_08-over.gif");
		vlc_menu_09_over = newImage("images/vlc_menu_09-over.gif");
		vlc_menu_10_over = newImage("images/vlc_menu_10-over.gif");
		vlc_menu_11_over = newImage("images/vlc_menu_11-over.gif");
		vlc_menu_12_over = newImage("images/vlc_menu_12-over.gif");
		vlc_menu_13_over = newImage("images/vlc_menu_13-over.gif");
		vlc_menu_14_over = newImage("images/vlc_menu_14-over.gif");
		preloadFlag = true;
  }
}