$( function(){

	$('.js-expand .js-expand-content').hide();
	$('.js-expand img.js-expand-button').attr("src","layout/pro/img/bt-plus.gif").css('cursor','pointer');

	$('.js-expand img.js-expand-button').click( function(){

		content = $(this).closest('.js-expand').find('.js-expand-content');

		if(content.is(':visible')){
			$(this).attr("src","layout/pro/img/bt-plus.gif");
			content.slideUp();
		} else {
			$(this).attr("src","layout/pro/img/bt-moin.gif");
			content.slideDown();
		}
		
		$(this).css('cursor','pointer');
	});

	 $('.js-expand.js-expand-open .js-expand-button').click();
});