ShowNum = new Array(6);

Sponsor = new Array(6);
Sponsor[0] = "http://www.jolnet.com/banner/school/morimura3.gif";
Sponsor[1] = "http://www.jolnet.com/banner/school/morimura3.gif";
Sponsor[2] = "http://www.jolnet.com/banner/school/fujimigaoka.gif";
Sponsor[3] = "http://www.jolnet.com/banner/school/busou.gif";
Sponsor[4] = "http://www.jolnet.com/banner/school/yeiwa.gif";
Sponsor[5] = "http://www.jolnet.com/banner/school/bunsugi2011.gif";
Sponsor[6] = "http://www.jolnet.com/banner/school/bunkyo_g.gif";

Urlsrc = new Array(6);
Urlsrc[0] = "http://www.jolnet.com/banner/jump.cgi?jump&morimura";
Urlsrc[1] = "http://www.jolnet.com/banner/jump.cgi?jump&morimura";
Urlsrc[2] = "http://www.jolnet.com/banner/jump.cgi?jump&fujimigaoka";
Urlsrc[3] = "http://www.jolnet.com/banner/jump.cgi?jump&busou";
Urlsrc[4] = "http://www.jolnet.com/banner/jump.cgi?jump&yeiwa";
Urlsrc[5] = "http://www.jolnet.com/banner/jump.cgi?jump&bunsugi";
Urlsrc[6] = "http://www.jolnet.com/banner/jump.cgi?jump&bunkyo_g";

	for(i=0;i<7;i++){
		ShowNum[i] = i;
	}
	for(i=6;i>0;i--){
		j = Math.floor(Math.random() * i);
		t = ShowNum[i];
		ShowNum[i] = ShowNum[j];
		ShowNum[j] = t;
	}
	for(i=0;i<1;i++){
		document.write("<a href='" + Urlsrc[ShowNum[i]] + "' TARGET=_new><IMG SRC ='" + Sponsor[ShowNum[i]] + "' border=0 hspace=5></a>");
	}