$(document).ready(function(){
	// create a style switch button
	var switcher = $('<a href="javascript:void(0)" class="btn">Change appearance</a>').toggle(
		function(){
			$("#tags ul").hide().addClass("alt").fadeIn("fast");
		},
		function(){
			$("#tags ul").hide().removeClass("alt").fadeIn("fast");
		}
	);
 	$('#tags').append(switcher);
	
});


	function hello(){
		alert("asd : ");
	}