<!-- Author: Brian Mackenzie -->
<!-- Date: 11th March 2004 -->
<!-- Version: 1.0 -->
<!-- Function:  Calculate event time from another race result  -->
<!-- Required by: racecalc.htm -->
<!-- Copyright Brian Mackenzie 2004 -->

function timecalculate()
{
  var dist1 = document.time.dist1.value;
  var dist2 = document.time.dist2.value;
  var hrs = document.time.hrs.value;
  var mins = document.time.mins.value;
  var dunits1 = document.time.dunits1.options[document.time.dunits1.selectedIndex].value;
  var dunits2 = document.time.dunits2.options[document.time.dunits2.selectedIndex].value;

  if (dunits2 == "Miles")
    {
      dist2 /= 0.6214;
    }
  if (dunits1 == "Miles")
    {
      dist1 /= 0.6214;
    }

  hrs *= 60;
  t5 = hrs + Math.abs(mins);
  t6 = t5 * Math.pow((dist2/dist1),1.07);
  t6 = t6 /60;
  t7 = Math.round(t6);

  if (t7 > t6)
    {
      t7= 60 *(t6 -(t7-1));
      t6 = t6 - 1;
    }

  else

    {
      t7= 60*(t6 - t7);
    }

  document.time.t6.value = Math.round(t6);
  document.time.t7.value = t7;
}

function valclear()
{
  document.time.t6.value = "";
  document.time.t7.value = "";
}