function write_image(){
jmp = new Array();
img = new Array();
hei = new Array();
com = new Array();
tag = new Array();
// ジャンプ先のアドレス(数字は画像と対応)
jmp[0] = "http://www.chezvous.co.jp/client/other/moving-in.html";
jmp[1] = "http://www.chezvous.co.jp/client/other/house-sitting.html";
jmp[2] = "http://www.chezvous.co.jp/client/house/Summer-housekeeping-trialj.pdf";
jmp[3] = "http://www.chezvous.co.jp/client/baby/Summer-babysitting-trialj.pdf";
// 画像のアドレス(数字はジャンプ先のアドレスと対応)
img[0] = "/material/images/top/moving-banner.jpg";
img[1] = "/material/images/top/housesitting_ja.gif";
img[2] = "/material/images/top/housekeeping_ja.gif";
img[3] = "/material/images/top/child_ja.gif";

hei[0] = "200";
hei[1] = "201";
hei[2] = "216";
hei[3] = "202";

com[0] = "Moving-in Service";
com[1] = "Housesitting Service";
com[2] = "Professional Service";
com[3] = "Babysitting Service";

tag[0] = "_self";
tag[1] = "_self";
tag[2] = "_blank";
tag[3] = "_blank";

n = Math.floor(Math.random()*jmp.length);
document.write("<a href='"+jmp[n]+"' target='"+tag[n]+"'>");
document.write("<img src='"+img[n]+"' width='479' height='"+hei[n]+"' border='0' alt='"+com[n]+"'>");
document.write("</a>");
}