Using jQuery Visited Plug-In.

<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="jquery.visited.js"></script>
<script type="text/javascript" >
$(function ()
{
$('#links a').visited(function () {
$(this).parent().hide();
});

$('#show').click(function () {
$('#links a').visited(function () {
$(this).parent().slideDown(200);
});
$(this).fadeOut();
$("#refresh").fadeIn();
});
});
</script>

<div id="links">
<ul class="block">
<li&gt;<a href="link-1">Title 1.</a></li>
<li><a href="link-2">Title 2.</a></li>
<li><a href="link-3">Title 3.</a></li>
.
.
.
</div>

<a href="#" id="show">Show all visited link</a>
<a href="#" style="display:none" id="refresh"> Refresh </a>