<!-----------------------------------
var back= "";
var max = 1; //イメージの数 現在は1件
var ran = Math.ceil(Math.random()*max);
if(ran == 1) back = "<A href='http://www.zakka-robo.com/' target='_blank'><IMG SRC='http://www.zakka-robo.com/pr/c.gif' width='468' height='60' border='0' alt='雑貨ロボ'></A>";
document.write("");
document.write(back);
//----------------------------------->
