$(function(){
	var boxheight = 68*Math.ceil(($("#topics-all li").length)/3);
					 
	$("#topics-all,#topics-btn2").css("display","none");
	$("#topics_wrapper").css({"height":"68px"});

  $("#topics-btn").click(function(){
		$("#topics-btn").css("display","none");
		$("#topics-btn2").css("display","block");
		$("#topics-slide").css("display","none");
		$("#topics-all").css("display","block");
		$("#topics_wrapper").animate({height:boxheight+"px"});
	});

	$("#topics-btn2").click(function(){
		$("#topics-btn2").css("display","none");
		$("#topics-btn").css("display","block");
		$("#topics-slide").css("display","block");
		$("#topics-all").css("display","none");
		$("#topics_wrapper").animate({height:"68px"});
	});
	
});





/*	ロールオーバーで半透明
-------------------------------------------------------- */
$(function() {
	$(".fade").hover(function(){ 
		$(this).fadeTo(200,0.7); 
	},function() {
		$(this).fadeTo(200,1); 
	});
	
});



/*
$(document).ready(function(){
	$('#topics-btn').click(function() {
		$(this).next().slideToggle();
		if($(this).attr('class') == '#topics-btn open') {
			$(this).removeClass('open');
		} else {
			$(this).addClass('open');
		}
	}).next().hide();
});

*/