//メインメニュープリロード
function preSwap(){
	Mimg01 = new Image();
	Mimg01.src =  "/image/toppage/article_info_b2.gif";
	Mimg02 = new Image();
	Mimg02.src =  "/image/toppage/company_profile_b2.gif";
	Mimg03 = new Image();
	Mimg03.src =  "/image/toppage/contact_us_b2.gif";
	Mimg04 = new Image();
	Mimg04.src =  "/image/toppage/saiyo_b2.gif";
	Mimg05 = new Image();
	Mimg05.src =  "/image/toppage/one_stop_b2.gif";
	Mimg06 = new Image();
	Mimg06.src =  "/image/toppage/kbs_b2.gif";
		
	}
	
	
	
//ロールオーバー
function overSwap(Nid,IMG){
		Nid.src= IMG;
	}
function outSwap(Nid,IMG){
		Nid.src= IMG;

	}