$(document).ready(function(){
	jQuery.preloadimages = function() {
		for(var i = 0; i<arguments.length; i++) {
			jQuery("<img>").attr("src", arguments[i]);
		}
	}
	
	$.preloadimages("images/nav-welcome-over.gif", "images/nav-books-over.gif", "images/nav-events-over.gif", "images/nav-contact-over.gif", "images/nav-about-carmela-over.gif", "images/nav-extras-over.gif", "images/nav-blog-over.gif", "images/nav-teachers-over.gif",
"images/swap-blog.gif", "images/swap-welcome.gif", "images/swap-books.gif", "images/swap-events.gif", "images/swap-contact.gif", "images/swap-about-carmela.gif", "images/swap-extras.gif", "images/swap-teachers.gif");

    $(".hoverswap").hover(
        function () {
            $(this).attr("src", $(this).attr("src").replace(/.gif/, "-over.gif"));
        },
        function () {
            $(this).attr("src", $(this).attr("src").replace(/-over.gif/, ".gif"));
        }
    );
		$('#welcome').hover(function() {
		$('#swap').attr("src","images/swap-welcome.gif");
			}, function() {
		$('#swap').attr("src","images/swap-books.gif");
	});
	$('#books').hover(function() {
		$('#swap').attr("src","images/swap-books.gif");
			}, function() {
		$('#swap').attr("src","images/swap-books.gif");
	});
	$('#events').hover(function() {
		$('#swap').attr("src","images/swap-events.gif");
			}, function() {
		$('#swap').attr("src","images/swap-books.gif");
	});
	$('#about-carmela').hover(function() {
		$('#swap').attr("src","images/swap-about-carmela.gif");
			}, function() {
		$('#swap').attr("src","images/swap-books.gif");
	});
	$('#extras').hover(function() {
		$('#swap').attr("src","images/swap-extras.gif");
			}, function() {
		$('#swap').attr("src","images/swap-books.gif");
	});
    $('#teachers').hover(function() {
		$('#swap').attr("src","images/swap-teachers.gif");
			}, function() {
		$('#swap').attr("src","images/swap-books.gif");
	});
	$('#blog').hover(function() {
		$('#swap').attr("src","images/swap-blog.gif");
			}, function() {
		$('#swap').attr("src","images/swap-books.gif");
	});
	$('#contact').hover(function() {
		$('#swap').attr("src","images/swap-contact.gif");
			}, function() {
		$('#swap').attr("src","images/swap-books.gif");
	});

});