// Navi Action

var naviOffImg = new Array(14);
var naviOnImg  = new Array(14);

for (h = 1; h <= 13; h++) {
	naviOffImg[h]     = new Image();
	naviOffImg[h].src = "/img/nav"+h+".gif";
	naviOnImg[h]      = new Image();
	naviOnImg[h].src  = "/img/nav"+h+"r.gif";
}

function naviAct(areaNum,sitNum){
	if (sitNum == 0) {
		document.images['nav'+areaNum].src = naviOffImg[areaNum].src;
	}
	else {
		document.images['nav'+areaNum].src = naviOnImg[areaNum].src;	
	}
}