// JavaScript Document


var randomMsg = Math.floor(Math.random() * 5);//総メッセージ数
if(randomMsg == 0) document.write('<a href="http://www.samejima.co.jp/silix/taiken/index.html" target="_blank"><img src="images/top_banner_samejima.jpg" width="468" height="60"></a>');
else if(randomMsg == 1) document.write('<a href="http://www.rakuten.ne.jp/gold/muku-mekiki/" target="_blank"><img src="images/top_banner_mekikiya.jpg" width="468" height="60"></a>');
else if(randomMsg == 2) document.write('<a href="http://www.takara-standard.co.jp/index.html" target="_blank"><img src="images/top_banner_takara.jpg" width="468" height="60"></a>');
else if(randomMsg == 3) document.write('<a href="http://www.timberlife.jp/decos.htm" target="_blank"><img src="images/top_banner_decosdry.jpg" width="468" height="60"></a>');
else if(randomMsg == 4) document.write('<a href="http://www.ymg-s.co.jp/" target="_blank"><img src="images/top_banner_yamagataya.jpg" width="468" height="60"></a>');