function MakeArray(n){this.length=n;}
function Topic(i_file,i_url,i_title,i_text){
	this.i_file=i_file;
	this.i_url=i_url;
	this.i_title=i_title;
	this.i_text=i_text;
}


function random_topic(){
var TopicMaxNum=5;         // ★初期設定
var Tbox=new MakeArray(TopicMaxNum);      // ★入れ替え画像設定
	Tbox[1]=new Topic("http://tohyama-shiki.com/labo/photo/3/IMG-3-3-36903000-type1.jpg","http://tohyama-shiki.com/labo/view/art_view.php?art_id=116","足あとスタンプ","パッと見ると普通の写真なのに！？");
	Tbox[2]=new Topic("http://tohyama-shiki.com/labo/photo/1/IMG-1-58-12510000-type1.jpg","http://tohyama-shiki.com/labo/view/art_view.php?art_id=99","巨大硬貨","見なれてるものが巨大だったら？");
	Tbox[3]=new Topic("http://tohyama-shiki.com/labo/photo/3/IMG-3-19059-001-type1.jpg","http://tohyama-shiki.com/labo/view/art_view.php?art_id=17","渓谷ジオラマ","指でなぞるとすごいよ！");
	Tbox[4]=new Topic("http://tohyama-shiki.com/labo/photo/3/IMG-3-3-29900000-type1.jpg","http://tohyama-shiki.com/labo/view/art_view.php?art_id=92","ゴンドラ凍った","雪がまるでウロコのように！");
	Tbox[5]=new Topic("http://tohyama-shiki.com/labo/photo/3/IMG-3-11345-001-type1.jpg","http://tohyama-shiki.com/labo/view/art_view.php?art_id=2","かわらたけ","飛び出るよ～！");

var now = new Date();
    count = now.getTime();
    num = count%TopicMaxNum+1;

	i_file =Tbox[num].i_file;
	i_url  =Tbox[num].i_url;
	i_title=Tbox[num].i_title;
	i_text =Tbox[num].i_text;

document.write("<DIV style='width:120px; border-style:solid; border-width:0px; border-color:#aaaaaa; padding:5px; background-color:#ffae00; text-align:center;'>");
document.write("<A href='"+i_url+"'>");
document.write("<IMG src='"+i_file+"' alt='"+i_title+"' border='1'><BR>");
document.write("<DIV style='padding:5px 0px 5px 0px; text-align:center;'><B style='font-size:10pt; text-align:left;'>"+i_title+"</B></DIV>");
document.write("</A>");
document.write("<SPAN style='font-size:8pt;'>"+i_text+"</SPAN>");
document.write("</DIV>");

}