tag=new Array(); 
 tag[0]='<script type="text/javascript" src="http://www.kk-menkyo.jp/k/flashmenu2.js"></script>'; 
 tag[1]='<script type="text/javascript" src="http://www.kk-menkyo.jp/k/flashmenu.js"></script>';  
 tag[2]='<script type="text/javascript" src="http://www.kk-menkyo.jp/k/flashmenu2.js"></script>';  
 
 
 i=Math.floor(Math.random()*tag.length);  
 document.write(tag[i]);