<html>
<head>
<script type='text/javascript' src='js/jquery-1.3.2.js'></script>
<script type='text/javascript'>
$.fn.extend({
Select: function() {
return $(this).addClass('mySelected');
},
Unselect: function() {
return $(this).removeClass('mySelected');
},
MyApplication: {
Ready: function() {
$('p').click(
function($e) {
$('li').Select();
}
);
$('li').click(
function() {
$(this).hasClass('mySelected')?$(this).Unselect() : $(this).Select();
}
);
}
}
});
$(document).ready(
function() {
$.fn.MyApplication.Ready();
}
);
</script>
<style type='text/css'>
li.mySelected {
background: yellow;
}
</style>
</head>
<body>
<ul>
<li>A</li>
<li>B</li>
<li>C</li>
<li>D</li>
<li>E</li>
<li>F</li>
</ul>
<p>
Select All
</p>
</body>
</html>