<!--

function newImage(arg) {
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  rslt = new Image();
  rslt.src = arg;
  return rslt;
 }
}

function changeImages() {
 if (document.images && (preloadFlag == true)) {
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   document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
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 }
}

var preloadFlag = false;
function preloadImages() {
 if (document.images) {
  home_over = newImage("images/nav/home-over.gif");
  about_us_over = newImage("images/nav/about_us-over.gif");
  about_founder_over = newImage("images/nav/about_founder-over.gif");
  case_histories_over = newImage("images/nav/case_histories-over.gif");
  request_form_over = newImage("images/nav/request_form-over.gif");
  forecast_data_over = newImage("images/nav/forecast_data-over.gif");
  other_services_over = newImage("images/nav/other_services-over.gif");
  contact_us_over = newImage("images/nav/contact_us-over.gif");
  links_over = newImage("images/nav/links-over.gif");
  preloadFlag = true;
 }
}
// -->