function na_preload_img()
{
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null)
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i] = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  }
}

function na_change_img_src(name, nsdoc, rpath, preload)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  }
}

function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  }
}
function namo_body_onload()
{
  na_preload_img(false, 'images/e_efficiency/images/e-efficiency_rollover_02.jpg', 'images/e_efficiency/images/e-efficiency_rollover_04.jpg', 'images/e_efficiency/images/e-efficiency_rollover_08.jpg', 'images/e_efficiency/images/e-efficiency_rollover_11.jpg', 'images/e_efficiency/images/e-efficiency_rollover_14.jpg', 'images/e_efficiency/images/e-efficiency_rollover_18.jpg', 'images/e_efficiency/images/e-efficiency_rollover_21.jpg', 'images/e_efficiency/images/e-efficiency_rollover_23.jpg', 'images/e_efficiency/images/e-efficiency_rollover_25.jpg', 'images/e_efficiency/images/e-efficiency_rollover_27.jpg', 'images/e_efficiency/images/e-efficiency_rollover_29.jpg', 'images/e_efficiency/images/e-efficiency_rollover_31.jpg', '../newdesign/images/botton_on_03.jpg', 'images/e_efficiency/botton_efficiency_on_05.jpg', 'images/e_efficiency/botton_efficiency_on_06.jpg', 'images/e_efficiency/botton_efficiency_on_07.jpg', 'images/e_efficiency/botton_efficiency_on_08.jpg', 'images/e_efficiency/botton_efficiency_on_09.jpg', 'images/e_efficiency/botton_efficiency_on_10.jpg', 'images/e_efficiency/botton_efficiency_on_11.jpg', 'images/e_efficiency/botton_efficiency_on_12.jpg', 'images/e_efficiency/botton_efficiency_on_13.jpg', 'images/e_efficiency/botton_efficiency_on_14.jpg', 'images/e_efficiency/botton_efficiency_on_15.jpg');
}