jQuery(document).ready(function() {
  /* HEADER BACKGROUND IMAGE ROTATOR */
  var randomImages = ['01','02','03','04','05','06','07','08'];
  var rndNum = Math.floor(Math.random() * randomImages.length);
  jQuery("#header").css({ background: "url(images/headers/headerBG-" + randomImages[rndNum] + ".png) no-repeat 392px top" });
});