Simple hashbang URL handler

hashbangv1.js

function loadPage(hash, fn){
	if(!hash || hash == '')
		return; // nothing to do
	
	var url = (hash[0] == '#') ? hash.substring(2): hash;
	
	$('#C').html('Loading Content...'); // replace with loading screen code
	
	var callback = function(responseText, textStatus, XMLHttpRequest){
		$(document).attr('title',  $(responseText).filter('title').text());
		
		if(fn) fn();
	}

	$('#C').load(url + ' #C', callback);
}

$("a").live("click", function(event){
    var href = $(this).attr("href");
    if(href[0] == "/" 
		&& href.substring(href.length - 4) != '.png'
		&& href.substring(href.length - 4) != '.jpg'
		&& href.substring(href.length - 5) != '.jpeg'
		&& href.substring(href.length - 4) != '.gif' ){
        event.preventDefault();
        window.location.hash = "#!" + href;
    }
});


$(window).bind('hashchange', function(){
	loadPage( location.hash );
});
loadPage( location.hash, false );