function getMenuSrcNormal(id) {
	switch (id) {
	case  1: return '/common/img/header/menu_shoseki.gif'     ; break;
	case  2: return '/common/img/header/menu_zasshi.gif'      ; break;
	case  3: return '/common/img/header/menu_series.gif'      ; break;
	case  4: return '/common/img/header/menu_multimedia.gif'  ; break;
	case  5: return '/common/img/header/menu_kyozai.gif'      ; break;
	case  6: return '/common/img/header/menu_special.gif'     ; break;
	case  7: return '/common/img/header/menu_bookstore.gif'   ; break;
	case  8: return '/common/img/header/menu_to_community.gif'; break;
	default: return ''; break;
	}
}

function getMenuSrcActive(id) {
	switch (id) {
	case  1: return '/common/img/header/menu_shoseki_a.gif'     ; break;
	case  2: return '/common/img/header/menu_zasshi_a.gif'      ; break;
	case  3: return '/common/img/header/menu_series_a.gif'      ; break;
	case  4: return '/common/img/header/menu_multimedia_a.gif'  ; break;
	case  5: return '/common/img/header/menu_kyozai_a.gif'      ; break;
	case  6: return '/common/img/header/menu_special_a.gif'     ; break;
	case  7: return '/common/img/header/menu_bookstore_a.gif'   ; break;
	case  8: return '/common/img/header/menu_to_community_a.gif'; break;
	default: return ''; break;
	}
}