<!-- Author: Brian Mackenzie -->
<!-- Date: 11th August 2004 -->
<!-- Version: 1.0 -->
<!-- Function:  calculate results from the 40yrd test -->
<!-- Required by: pred40.htm -->
<!-- Copyright Brian Mackenzie 2004 -->

function calculate()
{
  var time = document.stride.time.value;
  var gender = document.stride.gender.options[document.stride.gender.selectedIndex].value;
  
  if (gender == "Male")
  {
   r1=time*10+2;
  }
  else
  {
   r1=time*10+4;
  }

  document.stride.p400.value = nt2dp(r1,2);
}

function valclear()
{
  document.stride.p400.value = "";
}

function nt2dp(num,dp)
{
<!-- rounds num to dp decimal places -->
  num=num*1+(0.55/Math.pow(10,dp));
  if (dp>0) dp=dp+1;
  b=Math.floor(num).toString().length+dp;
  return num.toString().substr(0,b);
}