var c = new Array(67);
c[1] = 50;
c[2] = 40;
c[3] = 27;
c[4] = 36;
c[5] = 34;
c[6] = 24;
c[7] = 21;
c[8] = 4;
c[9] = 31;
c[10] = 24;
c[11] = 22;
c[12] = 25;
c[13] = 29;
c[14] = 36;
c[15] = 10;
c[16] = 13;
c[17] = 10;
c[18] = 42;
c[19] = 150;
c[20] = 31;
c[21] = 12;
c[22] = 8;
c[23] = 66;
c[24] = 52;
c[25] = 5;
c[26] = 48;
c[27] = 12;
c[28] = 14;
c[29] = 3;
c[30] = 9;
c[31] = 1;
c[32] = 4;
c[33] = 7;
c[34] = 3;
c[35] = 3;
c[36] = 3;
c[37] = 2;
c[38] = 14;
c[39] = 4;
c[40] = 28;
c[41] = 16;
c[42] = 24;
c[43] = 21;
c[44] = 28;
c[45] = 16;
c[46] = 16;
c[47] = 13;
c[48] = 6;
c[49] = 6;
c[50] = 4;
c[51] = 4;
c[52] = 5;
c[53] = 3;
c[54] = 6;
c[55] = 4;
c[56] = 3;
c[57] = 1;
c[58] = 13;
c[59] = 5;
c[60] = 5;
c[61] = 3;
c[62] = 5;
c[63] = 1;
c[64] = 1;
c[65] = 1;
c[66] = 22;
c[100] = 1;
c[200] = 1;
c[300] = 1;

function getchapters(form,selected)
{
  var chapters = c[selected];
  while (chapters < form.c.options.length)
  {
    form.c.options[(form.c.options.length - 1)] = null;
  }
  for (var i=0; i < chapters; i++)
  {
    var ch = i + 1;
    eval("form.c.options[i]=" + "new Option" + "('" + ch + "')");
  }
}