r_time = 12000;
myUrl = new Array();
myUrl[0] = "http://www.impressjapan.jp/books/3137";
myUrl[1] = "http://www.impressjapan.jp/books/3123";
myUrl[2] = "http://www.impressjapan.jp/books/3126";
myUrl[3] = "http://www.impressjapan.jp/books/271202";
myUrl[4] = "http://www.impressjapan.jp/books/3117";
myUrl[5] = "http://www.impressjapan.jp/books/3140";
myUrl[6] = "http://www.impressjapan.jp/books/211203";
myUrl[7] = "http://www.impressjapan.jp/books/3144";
myUrl[8] = "http://www.impressjapan.jp/books/3133";
myUrl[9] = "http://www.impressjapan.jp/books/54232";
//myUrl[10] = "http://www.cguild.com";

myImg = new Array();

myImg[0]="images/banner/3137_728_90.gif";
myImg[1]="images/banner/3123_728_90.gif";
myImg[2]="images/banner/3126_728_90.gif";
myImg[3]="images/banner/271202_728_90.gif";
myImg[4]="images/banner/3117_728_90.gif";
myImg[5]="images/banner/3140_728_90.gif";
myImg[6]="images/banner/211203_728_90.gif";
myImg[7]="images/banner/3144_728_90.gif";
myImg[8]="images/banner/3133_728_90.gif";
myImg[9]="images/banner/54232_728_90.gif";
//myImg[10]="images/banner/top-superbanner.jpg";

myBookId = new Array();
myBookId[0] = "";
myBookId[1] = "";
myBookId[2] = "";
myBookId[3] = "";
myBookId[4] = "";
myBookId[5] = "";	
myBookId[6] = "";
myBookId[7] = "";
//myBookId[8] = "";

myImg2 = new Array();
for (i in myImg) {
   myImg2[i] = new Image();
   myImg2[i].src = myImg[i];
}
function myImg_change() {
   p = Math.round(Math.random()*(myUrl.length - 1));
   document.banner.src = myImg2[p].src;
   setTimeout("myImg_change()",r_time);
}
function jump2() {
   pageTracker._trackPageview('/books/banner/' + myBookId[p]);
   location.href = myUrl[p];
}