<!--
  btn10=new Image();
  btn20=new Image();
  btn30=new Image();
  btn40=new Image();
  btn50=new Image();
  btn60=new Image();
  btn70=new Image();
  btn80=new Image();
  btn90=new Image();
  btn100=new Image();

  btn11=new Image();
  btn21=new Image();
  btn31=new Image();
  btn41=new Image();
  btn51=new Image();
  btn61=new Image();
  btn71=new Image();
  btn81=new Image();
  btn91=new Image();
  btn101=new Image();


  btn10.src="/design/books_menu1.gif"
  btn20.src="/design/books_menu2.gif"
  btn30.src="/design/books_menu3.gif"
  btn40.src="/design/books_menu4.gif"
  btn50.src="/design/books_menu5.gif"
  btn60.src="/design/books_menu6.gif"
  btn70.src="/design/books_menu7.gif"
  btn80.src="/design/books_menu8.gif"
  btn90.src="/design/books_menu9.gif"
  btn100.src="/design/books_menu10.gif"


  btn11.src="/design/books_menu1_on.gif"
  btn21.src="/design/books_menu2_on.gif"
  btn31.src="/design/books_menu3_on.gif"
  btn41.src="/design/books_menu4_on.gif"
  btn51.src="/design/books_menu5_on.gif"
  btn61.src="/design/books_menu6_on.gif"
  btn71.src="/design/books_menu7_on.gif"
  btn81.src="/design/books_menu8_on.gif"
  btn91.src="/design/books_menu9_on.gif"
  btn101.src="/design/books_menu10_on.gif"

//-->