function preloader() {
 var args = new Array();
 args[0] = '/images/site/btns/electric-scooters-over.gif';
 args[1] = '/images/site/btns/electric-mopeds-over.gif';
 args[2] = '/images/site/btns/electric-bicycles-over.gif';
 args[3] = '/images/site/btns/atvs-over.gif';
 args[4] = '/images/site/btns/gas-scooters-over.gif';
 args[5] = '/images/site/btns/gas-mopeds-over.gif';
 args[6] = '/images/site/btns/ride-ons-over.gif';
 args[7] = '/images/site/btns/utvs-over.gif';
 args[8] = '/images/site/addtocart_over.gif';
 document.imageArray = new Array(args.length);
 for(var i=0; i<args.length; i++) {
  document.imageArray[i] = new Image;
  document.imageArray[i].src = args[i];
 }
}