function pl() {
  var ar = new Array();
  var arguments = preload.arguments;
  for (var i = 0; i < arguments.length; i++) {
    ar[i] = new Image();
    ar[i].src = arguments[i];
  }
}

function pl_services() {
  pl("/i/sn_mobileweb_hover.jpg", "/i/sn_webads_hover.jpg", "/i/sn_webdesign.jpg" , "/i/sn_emailcampaigns_hover.jpg");
}