$(function(){
	var btn = $(".faq #main dt");
	var hideContents = $(".faq #main dd");
	
	hideContents.hide();

	btn
	.show()
	.toggle(
		function(){
			$(this).next().slideDown("fast");
			$(this).children().attr("src","../images/lower/btn_close.gif");
		},
		function(){
			$(this).next().slideUp("fast");
			$(this).children().attr("src","../images/lower/btn_read.gif");
		}
	);
});