function write_tag() {
document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"');
document.write(' codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"');
document.write(' width="530"');
document.write(' height="270">');
document.write('<param name="movie" value="./flash/main_page.swf">');
document.write('<param name="play" value="true">');
document.write('<param name="loop" value="true">');
document.write('<param name="quality" value="high">');
document.write('<embed src="./flash/main_page.swf"');
document.write(' quality="high"');
document.write(' pluginspage="http://www.macromedia.com/go/getflashplayer"');
document.write(' type="application/x-shockwave-flash"');
document.write(' play="true"');
document.write(' loop="true"');
document.write(' width="530"');
document.write(' height="270">');
document.write('</embed>');
document.write('<noembed>');
document.write(' <img src="./flash/main_page.jpg "  alt="代替画像" width="540" height="270"  /><img src="./flash/main_page.gif "  alt="アニメーションを表示するには Macromedia Flash Player が必要です" width="400" height="20"  /> ');
document.write('</noembed>');
document.write('</object>');
}