rollover_images = new Object();

$(document).ready(function() {
  $('#nav img, #news-header').mouseover(function() {
  	$(this).attr('src', rollover_images[$(this).attr('src')].src.replace(/http.*\.com/, ""));
  }).mouseout(function() {
  	$(this).attr('src', $(this).attr('src').replace("-ro.jpg", ".jpg"));
  });
});
$(document).ready(function() {
	$('#nav img, #news-header').each(function() {
		rollover_images[$(this).attr('src')] = new Image();
		rollover_images[$(this).attr('src')].src = $(this).attr('src').replace(".jpg", "-ro.jpg");
	});
});