topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

talk show tell print

lib-js-math-calculator-bmi.htm / htm



  
  <!-- TWO STEPS TO INSTALL BODY MASS INDEX:
  
    1.  Copy the coding into the HEAD of your HTML document
    2.  Add the last code into the BODY of your HTML document  -->
  
  <!-- STEP ONE: Paste this code into the HEAD of your HTML document  -->
  
  <HEAD>
  
  <SCRIPT LANGUAGE="JavaScript">
  
  <!-- Original:  Marat Rikelman (rikelman@bellsouth.net) -->
  
  <!-- This script and many more are available free online at -->
  <!-- The JavaScript Source!! http://javascript.internet.com -->
  
  <!-- Begin
  function mod(div,base) {
  return Math.round(div - (Math.floor(div/base)*base));
  }
  function calcBmi() {
  var w = document.bmi.weight.value * 1;
  var HeightFeetInt = document.bmi.htf.value * 1;
  var HeightInchesInt = document.bmi.hti.value * 1;
  HeightFeetConvert = HeightFeetInt * 12;
  h = HeightFeetConvert + HeightInchesInt;
  displaybmi = (Math.round((w * 703) / (h * h)));
  var rvalue = true;
  if ( (w <= 35) || (w >= 500)  || (h <= 48) || (h >= 120) ) {
  alert ("Invalid data.  Please check and re-enter!");
  rvalue = false;
  }
  if (rvalue) {
  if (HeightInchesInt > 11) {
  reminderinches = mod(HeightInchesInt,12);
  document.bmi.hti.value = reminderinches;
  document.bmi.htf.value = HeightFeetInt + 
  ((HeightInchesInt - reminderinches)/12);
  document.bmi.answer.value = displaybmi;
  }
  if (displaybmi <19) 
  document.bmi.comment.value = "Underweight";
  if (displaybmi >=19 && displaybmi <=25) 
  document.bmi.comment.value = "Desirable";
  if (displaybmi >=26 && displaybmi <=29) 
  document.bmi.comment.value = "prone to health risks";
  if (displaybmi >=30 && displaybmi <=40) 
  document.bmi.comment.value = "Obese";
  if (displaybmi >40) 
  document.bmi.comment.value = "Extremely obese";
  document.bmi.answer.value = displaybmi; }
  return rvalue;
  }
  //  End -->
  
  </script>
  </HEAD>
  
  <!-- STEP TWO: Copy this code into the BODY of your HTML document  -->
  
  <BODY>
  
  <form name=bmi>
  <center>
  <table width=200 border=0>
  <tr>
  <td align=center><B>Weight:</B>
  <input type=text name=weight SIZE=3 maxlength=3> lbs.</td>
  </tr>
  <tr>
  <td align=center><B>Height:</B>
  <input type=text name=htf size=1 maxlength=1> Ft.         
  <input type=text name=hti size=2 maxlength=2> In.
  </td>
  </tr>
  <tr>
  <td align=center>
  <input type=button value="Calculate BMI" onclick="calcBmi()">
   
  

  </tr>
  <tr>
  <td><B>Body Mass Index</B>
  <input type=text name=answer size=3>
  </td>
  </tr>
  <tr>
  <td>
  According to the Panel on Energy, Obesity, and 
  Body Weight Standards published by American 
  Journal of Clinical Nutrition, your category is:<br>
  <input type=text name=comment size=25>
  </td>
  </tr>
  </table>
  </center>
  </form>
  
  <p><center>
  <font face="arial, helvetica" size="-2">Free JavaScripts provided<br>
  by <a href="http://javascriptsource.com">The JavaScript Source</a></font>
  </center><p>
  
  <!-- Script Size:  2.56 KB -->
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

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