My first jQuery plugin "tabul8"

 1 // javascript
 2 
 3 // jQuery required
 4 
 5 (function($){
 6 	$.fn.extend({
 7 
 8 		tabul8: function() {
 9 			var args = arguments[0];
10 			var binded = $(this).children().bind('click', function(e) {
11 				var elem = $(e.target);
12 				var attr = elem.attr('data-callback');
13 				if (elem[0].tagName == 'A') e.preventDefault();
14 				if (attr !== undefined && attr !== false && !elem.hasClass('selected'))
15 				eval(attr + '();');
16 				if (!elem.hasClass('selected')) {
17 					elem.parent().find('.selected').removeClass('selected');
18 					elem.addClass('selected');
19 				}
20 			});
21 
22 			if (typeof args != 'undefined') {
23 				for (key in args) {
24 					switch(key) {
25 						case 'selected':
26 						$(this).children(':eq(' + args[key] + ')').click();
27 						break;
28 					}
29 				}
30 			}
31 			return binded;
32 		}
33 
34 	});
35 })(jQuery);
36 
37 // Callbacks
38 var bing = function() {
39 	alert('BING');
40 };
41 
42 var bang = function() {
43 	alert('BANG');
44 };
45 
46 $(document).ready(function() {
47 	$('#tabs').tabul8({selected:0});
48 });

 1 /* css */
 2 
 3 body {
 4 	padding-top: 10px;
 5 	padding-left: 5px;
 6 }
 7 
 8 #tabs {
 9 	margin: 0;
10 	padding: 0;
11 	font-family: Arial;
12 	font-size: 1.3em;
13 	float: left;
14 	width: 100%;
15 	position: absolute;
16 }
17 
18 #tabs a {
19 	display: block;
20 	float: left;
21 	padding: 10px;
22 	margin-right: 10px;
23 	text-align: center;
24 	border: 1px solid #666;
25 	background-color: #666;
26 	text-decoration: none;
27 	color: #FFF;
28 	line-height: 1.3em;
29 	cursor: pointer;
30 }
31 
32 #tabs a.selected {
33 	border-bottom: 1px solid #FFF;
34 	background-color: #FFF;
35 	color: #666;
36 }
37 
38 .divide {
39 	width: 100%;
40 	height: 48px;
41 	border-bottom: 1px solid #666;
42 }
43 
44 .clearer {
45   clear: both;
46 }

1 <!-- html -->
2 
3 <div id="tabs">
4 	<a href="#" data-callback="bing">Bing</a>
5 	<a href="#" data-callback="bang">Bang</a>
6 	<a href="#">Bong</a>
7 </div>
8 <div class="clearer"></div>
9 <div class="divide"></div>