Desactiver un lien ... ou autre

<script type="text/JavaScript">
$(document).ready(function (){
	$('#button a').click(function(){
		var integer = $(this).attr('rel');
		$('#slidez .cover').animate({left:-900*(parseInt(integer)-1)})
		$('#button a').each(function(){
		$(this).removeClass('active');
			if($(this).hasClass('button'+integer)){
				$(this).addClass('active')}
		});
	});	
});
</script>

<a class="button1 active" rel="1" href="#">1</a>
<a class="button2" rel="2" href="#">2</a>
<a class="button3" rel="3" href="#">3</a>
<a class="button4" rel="4" href="#">4</a>

<script type="text/JavaScript">
$(document).ready(function (){
	$('#button a').click(function(){
		var integer = $(this).attr('rel');
		$('#slidez .cover').animate({left:-900*(parseInt(integer)-1)})
		$('#button a').each(function(){
		$(this).removeClass('active');
			if($(this).hasClass('button'+integer)){
				$(this).addClass('active')}
		});
                return false;
	});	
});
</script>