specify temparature data in the textbox<br>
select conversion direction in the radiobutton and click submit button to convert<br>
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<br>centigrade <input type="text" name="textbox00" size="20" value="36.5">
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<br>fahrenheit <input type="text" name="textbox01" size="20" value="">
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conversion direction<input type="radio" name="radiobutton00" value="c_to_f" checked>centigrade -> fahrenheit
<input type="radio" name="radiobutton00" value="f_to_c" >fahrenheit -> centigrade
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