function panelChanger(){

var jmp;
var img;
var n;

jmp = new Array();
img = new Array();

jmp[0] = "http://www.yahoo.co.jp/";
jmp[1] = "http://bb.yahoo.co.jp/";
jmp[2] = "http://www.yahoo.co.jp/";
jmp[3] = "http://auctions.yahoo.co.jp/";
jmp[4] = "http://aeu.jp/cs/";

img[0] = "common/img/logo1.png";
img[1] = "common/img/logo2.png";
img[2] = "common/img/logo3.png";
img[3] = "common/img/logo4.png";
img[4] = "common/img/logo5.png";

document.all.item("imgframe").src = imgs[i++];

n = Math.floor(Math.random()*jmp.length);
document.write("<a href='"+jmp[n]+"'>");
document.write("<img src='"+img[n]+"' border='0'>");
document.write("</a>");
}