<!-- Do not copy any part of this script without permission; James T. Griffing, MS, BS; http://www.exrx.net //--><!-- 
function calc (form) {
var Pop, Time
Time = form.Time.value
Pop= form.Population.options[form.Population.selectedIndex].value
Test= Pop
  if (Pop == "E") {
     form.Ave.value= 3.4;
     form.Score.value= Math.round(388.35 - 99.542 * Time);
}
  if (Pop == "V") {
     form.Ave.value= 3.37;
     form.Score.value= Math.round(-477.97604*Math.pow(Time,5) + 7869.5688*Math.pow(Time,4) - 51460.023*Math.pow(Time,3) + 167007.86*Math.pow(Time,2) - 269020.87*Time + 172220.02);
}
  if (Pop == "FA") {
     form.Ave.value= 1.134;
     form.Score.value= Math.round(-384836.24 *Math.pow(Time,5) +  2182021.5 *Math.pow(Time,4) - 4927324.2*Math.pow(Time,3) + 5538822.5*Math.pow(Time,2) - 3099656*Time + 691070.01);
}
  if (Pop == "FB") {
     form.Ave.value= 2.143;
     form.Score.value= Math.round(-69224.658 *Math.pow(Time,5) +  741836.07 *Math.pow(Time,4) - 3172211.6*Math.pow(Time,3) + 6765903.9*Math.pow(Time,2) - 7197968.5*Time + 3055920.4);
}
  if (Pop == "FC") {
     form.Ave.value= 5.134;
     form.Score.value= Math.round(-161.14711*Math.pow(Time,5) +  4135.7735 *Math.pow(Time,4) - 42255.071*Math.pow(Time,3) + 214816.53*Math.pow(Time,2) - 543455.88*Time + 547543.32);
}
  if (Pop >1 && Pop <8) {
     form.Ave.value= Math.round((- 0.2069 * (10 + 1*Pop) + 9.5528 )*100)/100;
     form.Score.value= Math.round(459.06 - 8.8468 * (10 + 1*Pop) - 42.837 * Time);
}
  if (Pop >11 && Pop <18) {
     form.Ave.value= Math.round((- 0.0769 * Pop + 8.4228 )*100)/100;
     form.Score.value= Math.round(366.2 - 2.8509 * (Pop) - 37.602 * Time);
}
  if (Pop >108 && Pop <118) {
     form.Ave.value= Math.round((- 0.2457 * (Pop-100) + 10.788 )*100)/100;
     form.Score.value= Math.round(460.73 - 9.3342 * (Pop - 100) - 38.099 * Time);
}
  if (Pop >208 && Pop <218) {
     form.Ave.value= Math.round((- 0.1023 * (Pop-200) + 9.5737 )*100)/100;
     form.Score.value= Math.round(363.5 - 3.36 * (Pop - 200) - 32.727 * Time);
}
  if (form.Score.value > 84) {
     form.Rating.value ="Excellent"
}
  if (form.Score.value <= 84 && form.Score.value > 67) {
     form.Rating.value ="Good"
}
  if (form.Score.value <= 67 && form.Score.value >= 33) {
     form.Rating.value ="Average"
}
  if (form.Score.value < 33 && form.Score.value >= 16) {
     form.Rating.value ="Fair"
}
  if (form.Score.value < 16) {
     form.Rating.value ="Poor"
}
}
//-->