//navi image event ----------------------------------

var naviImg_ov = new Array();
var naviImg_ou = new Array();

naviImg_ou[0] = new Image();  naviImg_ou[0].src = "/en/"+"lib/img/navi_objective.gif";
naviImg_ou[1] = new Image();  naviImg_ou[1].src = "/en/"+"lib/img/navi_access.gif";
naviImg_ou[2] = new Image();  naviImg_ou[2].src = "/en/"+"lib/img/navi_floorplan.gif";
naviImg_ou[3] = new Image();  naviImg_ou[3].src = "/en/"+"lib/img/navi_exhibition.gif";
naviImg_ou[4] = new Image();  naviImg_ou[4].src = "/en/"+"lib/img/navi_collection.gif";
naviImg_ou[5] = new Image();  naviImg_ou[5].src = "/en/"+"lib/img/navi_faq.gif";

naviImg_ov[0] = new Image();  naviImg_ov[0].src = "/en/"+"lib/img/navi_objective-s.gif";
naviImg_ov[1] = new Image();  naviImg_ov[1].src = "/en/"+"lib/img/navi_access-s.gif";
naviImg_ov[2] = new Image();  naviImg_ov[2].src = "/en/"+"lib/img/navi_floorplan-s.gif";
naviImg_ov[3] = new Image();  naviImg_ov[3].src = "/en/"+"lib/img/navi_exhibition-s.gif";
naviImg_ov[4] = new Image();  naviImg_ov[4].src = "/en/"+"lib/img/navi_collection-s.gif";
naviImg_ov[5] = new Image();  naviImg_ov[5].src = "/en/"+"lib/img/navi_faq-s.gif";


function chgNavi(nam,eve,num) {
if(navigator.appVersion.charAt(0) >= 3) {
	document.images[nam].src = eval("naviImg_"+eve+"[num].src");

}
}