var Base_path = "images/top/random/";//画像の入っている場所
var ViewQty = 2; //表示する数

var Banner_no = new Array();
var Banner_out = new Array();
var Banner_image = new Array();
var Banner_link = new Array();

//下記にバナーのファイル名を設定する
Banner_image[0] = "bn_camp-a-ya.gif"
Banner_image[1] = "bn_fmb_blog.gif";
Banner_image[2] = "bn_hotdog_blog.gif";
Banner_image[3] = "bn_moriyama_kuroda_sp.gif";
Banner_image[4] = "bn_toriyama-blog.gif";
Banner_image[5] = "bn_gentouki.gif";
Banner_image[6] = "bn_fukumen.gif";
Banner_image[7] = "bn_shinbashi.gif";

//下記に該当バナーのリンク。上記の画像ファイルの設定あわせること。
Banner_link[0] = "http://www.camp-a-ya.com/";
Banner_link[1] = "http://blog.funkymonkeybabys.com/";
Banner_link[2] = "http://blog.livedoor.jp/hotdog_style/";
Banner_link[3] = "http://www.dreamusic.jp/artist/moriyamaryoko/livereport_01.html";
Banner_link[4] = "http://torimasa.exblog.jp/";
Banner_link[5] = "http://www.gentouki.com/";
Banner_link[6] = "http://fukumen.dreamusic.jp/";
Banner_link[7] = "http://www.dreamusic.jp/shinbashi/";


for(var i=0; i < Banner_image.length; i++){
	Banner_no[i] = i;
}

Banner_no = shuffleArray(Banner_no,Banner_no.length);

function make_image_tag(aBanner, aLink, aI){
	var aImage_tag = '<img src="' + Base_path + aBanner + '" border="0" id="Banner_Image' + aI + '" >';
	var aLink_tag  = '<a href="' + aLink + '" target="_blank">' + aImage_tag + '</a>';
	//下記はデバッグ用タグの内容表示
	//var aImage_tag = '[img src="' + Base_path + aBanner + '" id="Banner_Image' + aI + '" ]';
	//var aLink_tag  = '[a href="' + aLink + '"]' + aImage_tag + '[/a]';
	return aLink_tag;
}


function func() { 
	for(var i=0; i < Banner_no.length; i++){
		Banner_out[i] = make_image_tag(Banner_image[Banner_no[i]], Banner_link[Banner_no[i]], i);
	}

	for(var i=0; i < ViewQty; i++){
		var aDiv = "banner" + i;
		document.getElementById(aDiv).innerHTML = Banner_out[i];
	}

}

//配列シャッフル。arは配列名。num回数。
function shuffleArray(ar,num){ 
	var dummyArray=new Array(ar.length);
	var l,m,n,o,p;
	for(var i=0;i<num;i++){
		l = (Math.round(Math.random()*10000))%(ar.length);
		m = (Math.round(Math.random()*10000))%(ar.length);
		n = Math.max(l,m); o=Math.min(l,m);
		p=0;
		for(var k=o;k<n;k++){
			dummyArray[p]=ar[k];
			p++}
		for(var k=0;k<o;k++){
			dummyArray[p]=ar[k];
			p++}
		for(var k=n;k<ar.length;k++){
			dummyArray[p]=ar[k];
			p++}
		for(var j=0;j<ar.length;j++)ar[j]=dummyArray[j];
		ar.reverse();
	}
	return ar;
}