var navigationImg;
navigationImg = new Array;
	navigation('navi01', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_home.gif', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_home_f2.gif');
	navigation('navi02', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_introduce.gif', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_introduce_f2.gif');
	navigation('navi03', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_gallary.gif', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_gallary_f2.gif');
	navigation('navi04', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_hanbai.gif', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_hanbai_f2.gif');
	navigation('navi05', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_rss.gif', 'http://minamino.keio-blog.com/wp-content/themes/cocoroodoru-machi-minamino/images/button_rss_f2.gif');

function navigation() {
	var N = navigation.arguments[0];
	navigationImg[N] = new Image();
	navigationImg[N][0] = new Image();
	navigationImg[N][0].src = navigation.arguments[1];
	navigationImg[N][1] = new Image();
	navigationImg[N][1].src = navigation.arguments[2];
}

function navi() {
	var ID = navi.arguments[0];
	var N  = navi.arguments[1];
	document.images[ID].src = navigationImg[ID][N].src;
}