//set navigation rollovers
$(document).ready(function() {
	var navElements = $(".menu > ul").children("li > a");
	console.log(navElements);
	navElements.each(function(i){
		    $(navElements[i]).hover(
			 function() {
			  curr = $(this).find("img").attr("src");
			  if(curr.indexOf("_over.gif")!=-1) return;
			  overlen = curr.length;
			  over = curr.substr(0, overlen-4);
			  over = over+'_over.gif';
			  $(this).find("img").attr({ src: over});
			 },
			 function() {
			  $(this).find("img").attr({ src: curr});
			 }
			)

			$(navElements[i]).find("img").each(function(i) {
			  temp = this.src;
			  prelen = temp.length;
			  pre = temp.substr(0, prelen-4);
			  pre = pre+'_over.gif';
			  preload_image_object = new Image();
			  preload_image_object.src = pre;
			});
		});//end each
});