var topics_j = new Array(3);
var topics_e = new Array(3);

//topics_j[0] = "2009年5月20日（水）13:00-17:00<br /><a href=\"http://www.i-photonics.jp/meetings.html#SGSIPG20090520\">新画像システム・情報フォトニクス研究討論会</a>";
//topics_e[0] = "";

topics_j[0] = "";
topics_e[0] = "";

topics_j[1] = "";
topics_e[1] = "";

topics_j[2] = "";
topics_e[2] = "";


function displayTopics_j() {
    var n;
    
	n = Math.floor(Math.random() * topics_j.length);
	if (topics_j[n].length != 0)
		document.write("<p id='topics'>Topics:<br />" + topics_j[n] + "</p>");
}

function displayTopics_e() {
    var n;
    
	n = Math.floor(Math.random() * topics_e.length);
	if (topics_e[n].length != 0)
		document.write("<p id='topics'>Topics:<br />" + topics_e[n] + "</p>");
}

function displayTopics(lang) {
    if (lang == "en") {
        displayTopics_e();
    } else {
        displayTopics_j();
    }
}