//メインメニュープリロード
function preSwap(){
	Mimg01 = new Image();
	Mimg01.src =  "img/toppage/service_b2.gif";
	Mimg02 = new Image();
	Mimg02.src =  "img/toppage/home_b2.gif";
	Mimg03 = new Image();
	Mimg03.src =  "img/top_menu/consumer/inkjet_b2.gif";
	Mimg04 = new Image();
	Mimg04.src =  "img/top_menu/consumer/printem_b2.gif";
	Mimg05 = new Image();
	Mimg05.src =  "img/top_menu/consumer/photocon_b2.gif";
	Mimg06 = new Image();
	Mimg06.src =  "img/top_menu/business/ctp_b2.gif";
	Mimg07 = new Image();
	Mimg07.src =  "img/top_menu/business/photo_paper_b2.gif";
	Mimg08 = new Image();
	Mimg08.src =  "img/top_menu/business/dialibre_b2.gif";
	Mimg09 = new Image();
	Mimg09.src =  "img/top_menu/business/ijproof_b2.gif";
	Mimg10 = new Image();
	Mimg10.src =  "img/top_menu/business/facilis_b2.gif";
	Mimg11 = new Image();
	Mimg11.src =  "img/top_menu/business/s_display_b.gif";
	Mimg12 = new Image();
	Mimg12.src =  "img/top_menu/business/kanko_else_b2.gif";
	Mimg13 = new Image();
	Mimg13.src =  "img/top_menu/event_b2.gif";
	Mimg14 = new Image();
	Mimg14.src =  "img/top_menu/support_b2.gif";
	Mimg15 = new Image();
	Mimg15.src =  "img/top_menu/contact_b2.gif";
	Mimg16 = new Image();
	Mimg16.src =  "img/common/go_top_b2.gif";
	}
	
	
	
//ロールオーバー
function overSwap(Nid,IMG){
		Nid.src= IMG;
	}
function outSwap(Nid,IMG){
		Nid.src= IMG;

	}