//レイヤ−操作
function ShowLayer(ID){
	if(document.layers){document.layers[ID].visibility="show"}
	if(document.getElementById){document.getElementById(ID).style.visibility="visible"}
}
function HideLayer(ID){
	if(document.layers){document.layers[ID].visibility="hidden"}
	if(document.getElementById){document.getElementById(ID).style.visibility="hidden"}
}

//画像プリロード
var corporate_off=new Image();
var corporate_on=new Image();
corporate_off.src="../img/common/navi_corporate.gif";
corporate_on.src="../img/common/navi_corporate_on.gif";
var news_off=new Image();
var news_on=new Image();
news_off.src="../img/common/navi_news.gif";
news_on.src="../img/common/navi_news_on.gif";
var campingcar_off=new Image();
var campingcar_on=new Image();
campingcar_off.src="../img/common/navi_campingcar.gif";
campingcar_on.src="../img/common/navi_campingcar_on.gif";
var specialcar_off=new Image();
var specialcar_on=new Image();
specialcar_off.src="../img/common/navi_specialcar.gif";
specialcar_on.src="../img/common/navi_specialcar_on.gif";
var parts_off=new Image();
var parts_on=new Image();
parts_off.src="../img/common/navi_parts.gif";
parts_on.src="../img/common/navi_parts_on.gif";
var usedcar_off=new Image();
var usedcar_on=new Image();
usedcar_off.src="../img/common/navi_usedcar.gif";
usedcar_on.src="../img/common/navi_usedcar_on.gif";
var link_off=new Image();
var link_on=new Image();
link_off.src="../img/common/navi_link.gif";
link_on.src="../img/common/navi_link_on.gif";
var contactus_off=new Image();
var contactus_on=new Image();
contactus_off.src="../img/common/navi_contactus.gif";
contactus_on.src="../img/common/navi_contactus_on.gif";
var eventinfo_off=new Image();
var eventinfo_on=new Image();
eventinfo_off.src="../img/common/navi_news_menu_event.gif";
eventinfo_on.src="../img/common/navi_news_menu_event_on.gif";
var camp_off=new Image();
var camp_on=new Image();
camp_off.src="../img/common/navi_news_menu_camp.gif";
camp_on.src="../img/common/navi_news_menu_camp_on.gif";
var infor_off=new Image();
var infor_on=new Image();
infor_off.src="../img/common/navi_news_menu_infor.gif";
infor_on.src="../img/common/navi_news_menu_infor_on.gif";