#sub_index a {
	background-image:url(img/sub_index.gif);
}
#sub_training-schedule a {
	background-image:url(img/sub_training-schedule.gif);
}
#sub_contents a {
	background-image:url(img/sub_contents.gif);
}
#sub_lecturer a {
	background-image:url(img/sub_lecturer.gif);
}
#sub_request-access a {
	background-image:url(img/sub_request-access.gif);
}

#p-index #sub_index a, #p-training-schedule #sub_training-schedule a, #p-contents #sub_contents a, #p-lecturer #sub_lecturer a, #p-request-access #sub_request-access a {
	background-position:-240px top;
}