var bookNo=new Array();
bookNo[0]="0521397812";
bookNo[1]="0521278716";
bookNo[2]="0521338476";
bookNo[3]="052127737X";
bookNo[4]="0194371727";
bookNo[5]="0521627656";
bookNo[6]="020142018X";
bookNo[7]="096814442X";
bookNo[8]="0967706262";
bookNo[9]="052146630X";

document.write('<p><strong>Suggested reading</strong></p><div align="center">');
for (i=0; i<4; i++) {
  swap=Math.floor(10*Math.random());
  temp=bookNo[i];
  bookNo[i]=bookNo[swap];
  bookNo[swap]=temp;
}
for (i=0; i<4; i++) {
  document.write('<iframe src="http://rcm.amazon.com/e/cm?t=newagespiritu-20&o=1&p=8&l=as1&asins=');
  document.write(bookNo[i]);
  document.write('&fc1=000000&IS2=1&lc1=0000ff&bg1=ffffff&bc1=&lt1=_blank&f=ifr" width="120" height="240" scrolling="no" marginwidth="0" marginheight="0" frameborder="0"></iframe>');
  if (i!=3) { document.write('&nbsp;'); }
}
document.write('</div><p><a href="http://www.amazon.com/exec/obidos/redirect?tag=newagespiritu-20&path=tg%2Fbrowse%2F-%2F497586%2Fref%3Dbr_bx_c_1_0" target="_blank">More books on teaching English</a></p>');