CodingForums.com - Lowercase Output

Still rather confusing but start from here for further discussions ...
Code:
<html>

<head>

<title> Undefined </title>

<script type="text/javascript">



function eval_and_fix(formula){

  var input_number;

  input_number = eval(formula) + '';



  // If scientific notation, return

  if ((input_number.indexOf("e") > -1) || (input_number.indexOf("E") > -1)) { return input_number; }



  // if an integer, return

  if (input_number.indexOf('.') == -1) { return input_number; }



  // Seperate and round to 12

  var first, last, split_at;



  split_at = input_number.indexOf('.');



  first = input_number.substr(0,split_at);



  last = input_number.substr(split_at, input_number.length - split_at);

  //last = Math.round(last * 1000000000000);

  //last /= 1000000000000;

  // round to only 3 instead

  last = Math.round(last * 10000);

  last /= 10000;



  return parseInt(first) + last;

}



function parseinputweight2vol(inputamount, inputdensity) {

  var teststring;

  var density = document.getElementById('density').value;

  var quantity = document.getElementById('quantity').value;



  if ( quantity.length == 0 ) {

        alert ("Please enter the amount you want to convert!");

        return false;

  }

  if ( isNaN(parseFloat(quantity)) ) {

        alert ("The entered amount isn't a number!");

        return false;

  }

  if ( parseFloat(quantity) <= 0 ) {

        alert ("The amount have to be positive!");

        return false;

  }

  if ( density.length == 0 ) {

        alert ("Please enter the density or choose the substance from the list!");

        return false;

  }

  if ( isNaN(parseFloat(density)) ) {

        alert ("The entered density isn't a number!");

        return false;

  }

  if ( parseFloat(density) <= 0 ) {

        alert ("The density have to be positive!");

        return false;

  }

  return true;

}



function calcweight2vol() {

  if ( parseinputweight2vol() == false ) { return false; }



  var inunit = document.getElementById('inunit');

  var inunittext = inunit.options[inunit.selectedIndex].text;

  var inunitval = parseFloat(inunit.value);



  var outunit = document.getElementById('outunit');

  var outunittext = outunit.options[outunit.selectedIndex].text;

  var outunitval = parseFloat(outunit.value);



  var densunit = document.getElementById('densunit');

  var densunittext = densunit.options[densunit.selectedIndex].text;

  var densamount = parseFloat(document.getElementById('density').value);



  var substance = document.getElementById("substance");

  var substanceAsText = substance.options[substance.selectedIndex].text;



  var densvalue = densamount / parseFloat(densunit.value);

  var quantity = parseFloat (document.getElementById('quantity').value);

  var amount = quantity;



  var substancetext = "";



  var result;



// first we convert a given amount of substance to grams

  if ( inunitval > 0 ) { amount = amount * inunitval; }

                  else { amount = amount * (-inunitval) * densvalue; }



// then we convert the grams to given output unit



  if ( outunitval > 0 ) { result = amount / outunitval; }

                   else { result = amount / densvalue / (-outunitval); }

  result = eval_and_fix(result);





    var str  = quantity + " " + inunittext + "s of " + substanceAsText + " = " + result + " " + outunittext + "s of " + substanceAsText;

    document.getElementById('result').value = str.toLowerCase();



/*  something goofy about the following logic that caused the display problem

  if (quantity != "1" && result != "1") {

    document.getElementById('result').value

      = quantity + " " + inunittext + "s of " + substanceAsText + " = " + result + " " + outunittext + "s of " + substanceAsText;

  } 

  else {

    if (quantity != "1" && result == "1") {

      document.getElementById('result').value

        = quantity + " " + inunittext + "s of " + substanceAsText + " = " + result + " " + outunittext + " of " + substanceAsText;

    } else {

      if (quantity == "1" && result != "1") {

        document.getElementById('result').value

          = quantity + " " + inunittext + " of " + substanceAsText + " = " + result + " " + outunittext + "s of " + substanceAsText;

      } else {

        document.getElementById('result').value

          = quantity + " " + inunittext + " of " + substanceAsText + " = " + result + " " + outunittext + " of " + substanceAsText;

      }

    }

  }

*/

  if (substancetext != ""){

        document.getElementById('substancemessage').innerHTML = substancetext.toLowerCase();

  }

//  alert(result);

//  document.getElementById('result').value = result.toLowerCase();

}



function copydensity() {

  resetForm();

  if (document.getElementById('substance').selectedIndex == -1) { return; }

  document.getElementById('density').value

    = eval_and_fix(parseFloat(document.getElementById('substance').value) * parseFloat(document.getElementById('densunit').value));

}



function checkcopydensity() {

  if (document.getElementById('substance').selectedIndex == -1) { return; }

  copydensity();

}



function resetdensityForm() {

  document.getElementById('substance').selectedIndex = -1;

  resetForm();

}



function resetForm() {

  document.getElementById('result').value = "";

  document.getElementById('substancemessage').innerHTML = "&nbsp;";

}



</script>

</head>

<body>

<br><center>

<form align="center">

<table>

 <tr>

  <td align="center">Substance</td>

 </tr>

 <tr>

  <td align="center">

   <select id="substance" onchange="copydensity();" size=10>

    <option value="0.508398656">All Purpose Flour</option>

    <option value="0.680251723">Almonds</option>

    <option value="0.817021276">Baking Powder</option>

    <option value="0.508398656">Bread Flour</option>

    <option value="0.766632894">Brown Sugar</option>

    <option value="1.016797312">Butter</option>

    <option value="0.471198754">Cake/Pastry Flour</option>

    <option value="0.64680851">Chocolate Chips</option>

    <option value="0.42931442">Cocoa Powder</option>

    <option value="0.680251723">Corn Meal</option>

    <option value="0.627245095">Corn Starch</option>

    <option value="0.743044189">Dried Currants</option>

    <option value="0.319148936">Flaked Coconut</option>

    <option value="0.902763969">Granulated Sugar</option>

    <option value="0.425531914">Grated Coconut</option>

    <option value="0.851063829">Ground Almonds</option>

    <option value="0.611365472">Hazelnuts</option>

    <option value="1.533265789">Honey</option>

    <option value="0.508398656">Icing Sugar</option>

    <option value="1.446808511">Molasses</option>

    <option value="0.680251723">Peanuts</option>

    <option value="0.480575844">Pecans</option>

    <option value="0.611365472">Pistachios</option>

    <option value="0.508398656">Powdered Sugar</option>

    <option value="0.743044189">Raisins</option>

    <option value="0.407576981">Rolled Oats</option>

    <option value="1.225531915">Salt</option>

    <option value="0.872340425">Shortening</option>

    <option value="0.340425531">Sliced Almonds</option>

    <option value="0.958170212">Sour Cream</option>

    <option value="0.480575844">Walnuts</option>

    <option value="0.542672722">Whole Wheat Flour</option>

   </select>

  </td>

  <td style="display: none;" align="center">

   <INPUT id="density" type="text" value="1" size="12" onFocus="resetdensityForm();"><br>

   <select id="densunit" onchange="checkcopydensity()">

    <option value="240">grams/cup</option>

    <option selected value="1">g/cm³</option>

   </select >

  </td>

 </tr>

 <tr>

  <td colspan="2">Convert what quantity?: <INPUT id="quantity" type="text" value="1" size="7" onFocus="resetForm();"></td>

 </tr>

 <tr>

  <td align="center">From this</td><td align="center">To this</td>

 </tr>

 <tr>

  <td align="center">

   <select id="inunit" size=7 onchange="resetForm();">

    <option value="-240">cup</option>

    <option value="1">gram</option>

    <option value="28">ounce</option>

    <option value="454">pound</option>

    <option value="-15">tablespoon</option>

    <option value="-5">teaspoon</option>

   </select >

  </td>

  <td align="center">

   <select id="outunit" size=7 onchange="resetForm();">

    <option value="-240">cup</option>

    <option value="1">gram</option>

    <option value="28">ounce</option>

    <option value="454">pound</option>

    <option value="-15">tablespoon</option>

    <option value="-5">teaspoon</option>

   </select>

  </td>

 </tr>

 <tr>

  <td colspan="2" align="center">

   <button type="button" OnClick="calcweight2vol()">Calculate</button>

  </td>

 </tr>

 <tr>

  <td colspan="2">Result:<BR>

   <INPUT type="text" size="60" id="result" value="">

  </td>

 </tr>

 <tr>

  <td colspan=2 id="substancemessage">&nbsp;</td>

 </tr>

</table>



</form>

<script type="text/javascript">

 copydensity();

</script>

</body>

</html>