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) {
    nwaa_head1_btn_home_over = newImage("/images/nwaa_head1-btn_home_over.gif");
    nwaa_head1_btn_aboutus_over = newImage("/images/nwaa_head1-btn_aboutus_over.gif");
    nwaa_head1_btn_boxoffice_over = newImage("/images/nwaa_head1-btn_boxoffice_ov.gif");
    nwaa_head1_btn_schedule_over = newImage("/images/nwaa_head1-btn_schedule_ove.gif");
    nwaa_head1_btn_supportus_over = newImage("/images/nwaa_head1-btn_supportus_ov.gif");
    nwaa_head1_btn_contactus_over = newImage("/images/nwaa_head1-btn_contactus_ov.gif");
    navbar_ImageMap_11_over = newImage("/images/navbar-ImageMap_11_over.gif");
    navbar_btn_cantare_over = newImage("/images/navbar-btn_cantare_over.gif");
    navbar_btn_csn_over = newImage("/images/navbar-btn_csn_over.gif");
    preloadFlag = true;
  }
}