imgpath="/images/navi/";

function preloadImgs()	{
	var ext = "a.gif";
	var imgcount = 9;
	for (i=1; i <= imgcount; i++) {
		var imgObj = new Image();
		imgObj.src = imgpath+"n"+i+ext;
		
	}
}


function ms(imgname,s) {
	if ( s == 0 )document[imgname].src = imgpath+imgname+".gif";
	if ( s == 1 )document[imgname].src = imgpath+imgname+"a.gif";
}