// company subnav

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) {
    subnav_company_01_over = newImage("/images/subnav-company/subnav-company_01-over.gif");
    subnav_company_02_over = newImage("/images/subnav-company/subnav-company_02-over.gif");
    subnav_company_03_over = newImage("/images/subnav-company/subnav-company_03-over.gif");
    subnav_company_04_over = newImage("/images/subnav-company/subnav-company_04-over.gif");
    subnav_company_05_over = newImage("/images/subnav-company/subnav-company_05-over.gif");
    subnav_company_06_over = newImage("/images/subnav-company/subnav-company_06-over.gif");
    preloadFlag = true;
  }
}