mn1_off = new Image();
		mn1_off.src = "/images/navi_folge_l01_off.gif";
		mn2_off = new Image();
		mn2_off.src = "/images/navi_folge_l02_off.gif";	
		mn3_off = new Image();
		mn3_off.src = "/images/navi_folge_l03_off.gif";
		mn4_off = new Image();
		mn4_off.src = "/images/navi_folge_l04_off.gif";	
		mn5_off = new Image();
		mn5_off.src = "/images/navi_folge_l05_off.gif";
		mn6_off = new Image();
		mn6_off.src = "/images/navi_folge_l06_off.gif";	
		mn7_off = new Image();
		mn7_off.src = "/images/navi_folge_l07_off.gif";
	
		mn1_on = new Image();
		mn1_on.src = "/images/navi_folge_l01_on.gif";
		mn2_on = new Image();
		mn2_on.src = "/images/navi_folge_l02_on.gif";	
		mn3_on = new Image();
		mn3_on.src = "/images/navi_folge_l03_on.gif";
		mn4_on = new Image();
		mn4_on.src = "/images/navi_folge_l04_on.gif";	
		mn5_on = new Image();
		mn5_on.src = "/images/navi_folge_l05_on.gif";
		mn6_on = new Image();
		mn6_on.src = "/images/navi_folge_l06_on.gif";	
		mn7_on = new Image();
		mn7_on.src = "/images/navi_folge_l07_on.gif";

		function menuImgOn(imgid, imgobj) {
			var strId = 'mn' + imgid;
			getElem("id", strId, null).src = imgobj.src;
		}
		function menuImgOff(img_id, img_obj) {
			var strId = 'mn' + img_id;
			getElem("id", strId, null).src = img_obj.src;
		}