custom404/jquery.custom404.js

(function($) {
	$.fn.custom404 = function(options) {
		var defaults = {
			404: "/404.html",
			403: "/403.html",
			500: "/505.html"
		};
		if (options) $.extend(defaults, options);
		if (!this.selector) var selected = "a";
		else var selected = this.selector;
		$(selected).click(function() {
			event.preventDefault();
			var address = $(this).attr("href");
			$.ajax({
				url: address,
				success: function() {
					window.location.href = address;
				},
				error: function(xhr) {
					window.location.href = defaults[xhr.status];
				}
			});
		});
	};
})(jQuery);