// �g�O���ؑ�

var isOpen;

$(function() {
	$("#hiddenBox").hide();
	isOpen = false;
	
	
});


function toggle(){
	$("#hiddenBox").slideToggle("slow",function(){
           if ($(this).is(":hidden"))
             $("#toggleBtn").attr("src","images/btn_open.gif");
           else
             $("#toggleBtn").attr("src","images/btn_close.gif");
         });

	
	
	
	/*
	if(isOpen){
		$("#toggleBtn").attr("src","images/btn_open.gif");
		isOpen = false;
	}else{
		$("#toggleBtn").attr("src","images/btn_close.gif");
		isOpen = true;
	}
	*/
}

function changeBtnImg(){
	
}