$(function() {

	$('.blockProduct').hide();

	$('.blockProduct:hidden').parents('.blockProductTodo').find('a.btn_tecnav img').attr('src','/media/img/common/ico_plus_white.gif');

	$('.btn_tecnav').toggle(
		function() {
			$(this).parents('.blockProductTodo').find('.blockProduct').slideDown("fast");
			$(this).find('img').attr('src','/media/img/common/ico_minus_white.gif');
		},
		function() {
			$(this).parents('.blockProductTodo').find('.blockProduct').slideUp("fast");
			$(this).find('img').attr('src','/media/img/common/ico_plus_white.gif');
		}
	);

	$('.btn_tecnav:first').click();

});