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	xx[0] = '<div><p><a href="http://www.jstage.jst.go.jp/browse/" target="_blank"><img src="image/j-stage.gif" border="0" width="120" height="30" alt="J-STAGE"><br>Electronic journal site for Japan\'s academic societies</a></p><p><a href="http://www.journalarchive.jst.go.jp/" target="_blank"><img src="image/journal.gif" border="0" width="120" height="30" alt="Journal@rchive"><br>Archive of journal back issues in Japan</a></p><p><a href="http://sciencelinks.jp/j-east/" target="_blank"><img src="image/j-east.gif" border="0" width="120" height="30" alt="J-EAST"><br>Database for Japan\'s S&amp;T Articles</a></p><ul class="lists"><li><a href="database.html">more</a></li></ul></div>';
	xx[1] = '<div><p><a href="http://read.jst.go.jp/index_e.html" target="_blank"><img src="image/read.gif" border="0" width="120" height="30" alt="ReaD"><br>Directory Databases of Research and Development Activities</a></p><p><a href="http://jstore.jst.go.jp/EN/" target="_blank"><img src="image/jstore.gif" border="0" width="120" height="30" alt="J-STORE"><br>Database for Patents and Other Research Results</a></p><p><a href="http://jrecin.jst.go.jp/index_e.html" target="_blank"><img src="image/jrec.gif" border="0" width="120" height="30" alt="J-RECIN"><br>Career database for S&amp;T personnel</a></p><ul class="lists"><li><a href="database.html">more</a></li></ul></div>';
	xx[2] = '<div><p><a href="http://www-bird.jst.go.jp/index_e.html" target="_blank"><img src="image/bird.gif" border="0" width="120" height="30" alt="BIRD"><br>Comprehensive Database for Bioinformatics</a></p><p><a href="http://nikkajiweb.jst.go.jp/nikkaji_web/pages/top_e.html" target="_blank"><img src="image/nikkajiweb.gif" border="0" width="120" height="30" alt="BIRD"><br>Chemical database for organic compounds</a></p><p><a href="http://sciencelinks.jp/" target="_blank"><img src="image/sciencelink.gif" border="0" width="120" height="30" alt="Science Links Japan"><br>Resources of Japan\'s S&amp;T Information</a></p><ul class="lists"><li><a href="database.html">more</a></li></ul></div>';

	r = Math.floor(Math.random() * xx.length);
	document.write(xx[r]);
}