// JavaScript Document

function lottery()
  {
  with (document.lottoodds)
    {
    var n = 1;
    var i = parseInt(lotto1.value);
    var j = parseInt(lotto2.value);
    var k = parseInt(lotto3.value);
    lotto4.value = combine(j - k, i - k) + " in " + combine(j, i);
    lotto5.value = combine(j, i) / combine(j - k, i - k);

    }

  }

function combine(total, pick)

  {

  var i;
  var result = 1;for (i = total; i >= total - pick + 1; i-- ){result *= i;}for(i = pick; i >=1; i-- ){result /= i;}
  return(result);

  }