Untitled

<!DOCTYPE html>
<html>
<head>
<title>Convert Fahrenheit and Celsius</title>
</head>
  <script type="text/javascript">
        function ConvertC() {
                var fTempval = parseFloat(document.getElementById("fartemp").value);
                var cTempval = (fTempval - 32) * (5/9);
                document.getElementById("celtemp").value = cTempval;
 if (cTempval >= 0 )   {
	  document.getElementById("pic").src = "hottemp.jpg" ; }
 else  {document.getElementById("pic").src = "coldtemp.jpg" ; }    }
      </script>

    <body>
    <table border=4 cellpadding=3>
     <tr> <td>Farenheit </td>
              <td>Celcius   </td>
              <td> <input type="button" value="Enter to Convert to Celcius" onClick="ConvertC()" > </td>
 < /tr>
 <tr>
         <td> <input name="fTemp" id="fartemp" type="text"/> </td>
        <td> <input name="cTemp" id="celtemp" type="text"/> </td>
        <td> <img name="temppic" id="pic" src=" " height="50px" > </td>
      </tr>
    </table>
</body>
</html>