// banner-left.js

jmp = new Array();
img = new Array();
// URL
jmp[0] = "http://www.as-welfare.jp/";
jmp[1] = "http://www.asaori-iba.co.jp/";
jmp[2] = "http://www.nicerentacar.jp/";
// image
img[0] = "../images/banner/left02.jpg";
img[1] = "../images/banner/left03.jpg";
img[2] = "../images/banner/left04.jpg";
n = Math.floor(Math.random()*jmp.length);
document.write("<a href='"+jmp[n]+"' target='_blank'>");
document.write("<img src='"+img[n]+"' border='0'>");
document.write("</a>");