naviImg = new Array();

	for (i=0;i<=5;i++){
		naviImg[i] = new Image();
		naviImg[i].src = "../common/img/navi" + i + ".gif";

	}

	function naviImgOn(n){
		naviName="navi" + n;
		naviNum = n + 1;
		document.images[naviName].src = naviImg[naviNum].src;
	}

	function naviImgOff(n){
		naviName="navi" + n;
		naviNum = n;
		document.images[naviName].src = naviImg[naviNum].src;
	}