$(document).ready(function(){
	jQuery.preloadimages = function() {
		for(var i = 0; i<arguments.length; i++) {
			jQuery("<img>").attr("src", arguments[i]);
		}
	}
	
	$.preloadimages("/images/nav_about_over.gif", "/images/nav_smoke-free_over.gif",
					"/images/nav_buy_over.gif", "/images/nav_news_over.gif",
					"/images/nav_speaking_over.gif", "/images/nav_contact_over.gif", "/images/nav_gallery_over.gif");

	$('#about').hover(function() {
		$(this).attr("src","/images/nav_about_over.gif");
			}, function() {
		$(this).attr("src","/images/nav_about.gif");
	});
	
	$('#smoke-free').hover(function() {
		$(this).attr("src","/images/nav_smoke-free_over.gif");
			}, function() {
		$(this).attr("src","/images/nav_smoke-free.gif");
	});
	
	$('#buy').hover(function() {
		$(this).attr("src","/images/nav_buy_over.gif");
			}, function() {
		$(this).attr("src","/images/nav_buy.gif");
	});
	
	$('#speaking').hover(function() {
		$(this).attr("src","/images/nav_speaking_over.gif");
			}, function() {
		$(this).attr("src","/images/nav_speaking.gif");
	});
	
	$('#gallery').hover(function() {
		$(this).attr("src","/images/nav_gallery_over.gif");
			}, function() {
		$(this).attr("src","/images/nav_gallery.gif");
	});
	
	$('#videos').hover(function() {
		$(this).attr("src","/images/nav_videos_over.gif");
			}, function() {
		$(this).attr("src","/images/nav_videos.gif");
	});

	
	$('#news').hover(function() {
		$(this).attr("src","/images/nav_news_over.gif");
			}, function() {
		$(this).attr("src","/images/nav_news.gif");
	});
	
	$('#contact').hover(function() {
		$(this).attr("src","/images/nav_contact_over.gif");
			}, function() {
		$(this).attr("src","/images/nav_contact.gif");
	});
	
});