script.js

// script.js
$(document).ready(function(){

var $def = $('.projects').find('dl dd');
$def.hide();

var defBox = $('#def-box');
$('.projects').hover(function(){
    //defBox.fadeToggle(800);
    defBox.html('<p> Hover over my recent work to see a description <p>');
});

$('dt').hover(function(){
    // defBox.hide();
    var $data = $(this).next('dd').html();
    defBox.html($data);
},function(){
    defBox.html();
});  

// Check for hash value in URL  
var hash = window.location.hash.substr(1);

//Check to ensure that a link with href == hash is on the page  
if ($('a[href="' + hash + '"]').length) {
    //Load the page.
    var toLoad = hash + '.php #main-content';
    $('#main-content').load(toLoad);
}
$('nav ul li a').click(function(){

    var goingTo = $(this).attr('href');
    goingTo = goingTo.substring(goingTo.lastIndexOf('/') + 1);
    if (window.location.hash.substring(1) === goingTo) return false;

    var toLoad = $(this).attr('href')+' #main-content';  
    $('#main-content').hide('fast',loadContent);  
    $('#load').remove();  
    $('#wrapper').append('<span id="load">LOADING...</span>');  
    $('#load').fadeIn('normal');  
    window.location.hash = goingTo;  
    function loadContent() {  
        $('#main-content').load(toLoad,'',showNewContent)  
    }  
    function showNewContent() {  
        $('#main-content').show('normal',hideLoader);  
    }  
    function hideLoader() {  
        $('#load').fadeOut('normal');  
    }  
    return false;  

});

}); // end jQuery