var myBrowser = navigator.userAgent
if ( 
   myBrowser.indexOf('Netscape6') == -1 &&
   myBrowser.indexOf('Gecko') != -1 
) {
//Netscape6ではないけどMozillaな場合の処理
document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="720" height="103" class="fleft space0">')
document.write('<param name="movie" value="flash/mozira_menu.swf" />')
document.write('<param name="quality" value="high" />')
document.write('<embed src="flash/mozira_menu.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="720" height="103"></embed>')
document.write('</object>')
} else {
//Netscape6でもMozillaでもない場合の処理
document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="720" height="103" class="space0">')
document.write('<param name="movie" value="flash/ie_menu.swf" />')
document.write('<param name="quality" value="high" />')
document.write('<embed src="flash/ie_menu.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="720" height="103"></embed>')
document.write('</object>')
}