/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Webmilhouse :: http://www.webmilhouse.com/ */

function calculate() {
  var doc = document.pointCalc;
  var points = 0;
  var fiber = doc.fiber.value;
    if(fiber > 4) fiber = 4;
  var fat = doc.fat.value;
  var calories = doc.calories.value;

  points = (calories / 50) + (fat / 12) - (fiber / 5);
  doc.result.value = Math.round(points);
}