//共通イメージ　ロールオーバー

	var common_img = new Array() ;

	common_img[1] = new Image() ;
		common_img[1].src = "../common_images/footer_mail_a.jpg" ;
	common_img[2] = new Image() ;
		common_img[2].src = "../common_images/footer_mail_b.jpg" ;

	common_img[3] = new Image() ;
		common_img[3].src = "../common_images/to_home_a.jpg" ;
	common_img[4] = new Image() ;
		common_img[4].src = "../common_images/to_home_b.jpg" ;

	common_img[5] = new Image() ;
		common_img[5].src = "../common_images/to_top_a.jpg" ;
	common_img[6] = new Image() ;
		common_img[6].src = "../common_images/to_top_b.jpg" ;

	common_img[7] = new Image() ;
		common_img[7].src = "../common_images/to_home_h_a.jpg" ;
	common_img[8] = new Image() ;
		common_img[8].src = "../common_images/to_home_h_b.jpg" ;

function c_image_c(name,number)
	{
	document.images[name].src = common_img[number].src ;
	}



//メニュー　ロールオーバー
	var menu_img = new Array() ;

	menu_img[1] = new Image() ;
		menu_img[1].src = "../common_images/menu_overview_a.jpg" ;
	menu_img[2] = new Image() ;
		menu_img[2].src = "../common_images/menu_overview_b.jpg" ;

	menu_img[3] = new Image() ;
		menu_img[3].src = "../common_images/menu_regulation_a.jpg" ;
	menu_img[4] = new Image() ;
		menu_img[4].src = "../common_images/menu_regulation_b.jpg" ;

	menu_img[5] = new Image() ;
		menu_img[5].src = "../common_images/menu_organization_a.jpg" ;
	menu_img[6] = new Image() ;
		menu_img[6].src = "../common_images/menu_organization_b.jpg" ;

	menu_img[7] = new Image() ;
		menu_img[7].src = "../common_images/menu_articles_a.jpg" ;
	menu_img[8] = new Image() ;
		menu_img[8].src = "../common_images/menu_articles_b.jpg" ;

	menu_img[9] = new Image() ;
		menu_img[9].src = "../common_images/menu_membership_a.jpg" ;
	menu_img[10] = new Image() ;
		menu_img[10].src = "../common_images/menu_membership_b.jpg" ;

	menu_img[11] = new Image() ;
		menu_img[11].src = "../common_images/menu_publications_a.jpg" ;
	menu_img[12] = new Image() ;
		menu_img[12].src = "../common_images/menu_publications_b.jpg" ;

function c_image_menu(name,number)
	{
	document.images[name].src = menu_img[number].src ;
	}