function randomImageAd(val)
{
//  ここからデータ
var random_image_array = new Array();
random_image_array[0] = new Array();
random_image_array[0]["image"] = "Images/adv/musepark.gif";
random_image_array[0]["alt"] = "秩父ミューズパーク";
random_image_array[0]["text"] = "秩父ミューズパーク";
random_image_array[0]["url"] = "http://www.sports-no-mori.jp/";
random_image_array[1] = new Array();
random_image_array[1]["image"] = "secure/1030/bnr_yume.gif";
random_image_array[1]["alt"] = "ちちぶ夢創り倶楽部";
random_image_array[1]["text"] = "ちちぶ夢創り倶楽部";
random_image_array[1]["url"] = "http://city.chichibu.lg.jp/menu1097.html";
random_image_array[2] = new Array();
random_image_array[2]["image"] = "secure/1030/bnr_yoimachi.gif";
random_image_array[2]["alt"] = "よいまちモニター";
random_image_array[2]["text"] = "よいまちモニター";
random_image_array[2]["url"] = "http://city.chichibu.lg.jp/menu3155.html";
random_image_array[3] = new Array();
random_image_array[3]["image"] = "Images/adv/bnr_geopark2.gif";
random_image_array[3]["alt"] = "ジオパーク秩父";
random_image_array[3]["text"] = "ジオパーク秩父";
random_image_array[3]["url"] = "http://www.chichibu-geo.com/";
random_image_array[4] = new Array();
random_image_array[4]["image"] = "Images/adv/bnr_akiyabank.gif";
random_image_array[4]["alt"] = "ちちぶ空き家バンク";
random_image_array[4]["text"] = "ちちぶ空き家バンク";
random_image_array[4]["url"] = "http://www.find-chichibu.jp/akiyabank/";
random_image_array[5] = new Array();
random_image_array[5]["image"] = "Images/adv/bnr_chiiki.jpg";
random_image_array[5]["alt"] = "秩父市地域おこし協力隊";
random_image_array[5]["text"] = "秩父市地域おこし協力隊";
random_image_array[5]["url"] = "http://203.183.100.130/iSITE/dd.aspx?menuid=3708";




// ここまでデータ

// ここからプログラム
	rand_num = Math.floor(Math.random() * random_image_array.length);
	div = document.getElementById( 'random_image' );
	url = document.createElement("A");
	url.target = '_blank';
	url.href = random_image_array[rand_num]['url'];
	dateObj = new Date();
	img = document.createElement( "IMG" );
	img.src = random_image_array[rand_num]['image'];  
	img.alt = random_image_array[rand_num]['alt'];
	url.appendChild(img );
	div.appendChild( url );
	div_url = document.createElement( "DIV" );
	url = document.createElement("A");
	url.target = '_blank';
	url.href = random_image_array[rand_num]['url'];
	url_title = document.createTextNode(random_image_array[rand_num]['alt'] );
	url.appendChild( url_title );
	div_url.appendChild( url );
	div.appendChild( div_url );
}