$(function(){
	$('dt.qa_dt').click(function()
	{
		var clicked_dt_number = $(this).attr("id").split("-")[1];
	    var flg = $("#qa_dd-" + clicked_dt_number).css("display");


	    if(flg == "block")
	    {
	        $("#qa_dd-" + clicked_dt_number).css("display","none");
	    }
	    else
	    {
	        $("#qa_dd-" + clicked_dt_number).css("display","block");
	    }
	});
});