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<div class="calculator-boxes">
<fieldset>
<legend>Calculate the timeCalculadora de dopihoras</legend> <label><input type="checkbox" id="roundtrip" onclick="roundTripToggle()" name="roundtrip"/>Is a round tripEs ida y vuelta</label> <br/> <label class="calculator-label">Mean altitude of the whole route:</label> <input type="text" id="altitude" name="altitude" value="" />
<br/>
<label id="horizontal-label" class="calculator-label">Distancia horizontal en metros:</label>
<input type="text" id="horizontal" name="horizontal" value="" />
<br/>
<label id="descenso-label" name="descenso-label" class="calculator-label">Metros de descenso:</label>
<input type="text" id="descenso" name="descenso" value="" />
<br/>
<label class="calculator-label">Altitud media de toda la ruta:</label>
<input type="text" id="altitude" name="altitude" value="" />
<div id="totalTime"></div>
</div>
<input type='submit' id='submit' value='SubmitCalcular' onclick="calculateTotal()" />
</div>
</form>
function calculateTotal(){
var theForm = document.forms["calculator"];
var altitude= parseInt(theForm.elements["altitude"].value); var horizontal= parseInt(theForm.elements["horizontal"].value); var ascenso= parseInt(theForm.elements["ascenso"].value); var descenso= parseInt(theForm.elements["descenso"].value);
if(theForm.elements["roundtrip"].checked){ var descenso = ascenso; } else { var descenso = parseInt(theForm.elements["descenso"].value); } var total = (horizontal * 0.75 + ascenso * 7.2 + descenso * 2.4) * (4 * Math.pow(10, -12) * Math.pow(altitude , 3) - 9 * Math.pow(10 , -9) * Math.pow(altitude , 2) + 4 * Math.pow(10, -5) * altitude + 0,.9999) * (1/3600); total = Math.round(total * 100) / 100; if (isNaN(total) || total === ''|| total === 0){ total = 'Something is not right - please check the values'; } else { total = "Total: "+total+" dopihoras"; }
//display the result
var divobj = document.getElementById('totalTime');
divobj.style.display='block';
divobj.innerHTML = "Total time: "+total;
}
function roundTripToggle(){
var theForm = document.forms["calculator"];
var ascensoLabel = document.getElementById('ascenso-label'); var descensoLabel = document.getElementById('descenso-label'); var descenso = document.getElementById('descenso'); var horizontalLabel = document.getElementById('horizontal-label'); if(theForm.elements["roundtrip"].checked){ var descensoLabel .style.display= document.getElementById('descenso-labelnone'); descensoLabeldescenso.style.display='none'; var descenso = documentascensoLabel.getElementById(innerHTML = 'Metros de ascenso solo ida + metros descensosolo ida:'); descensoLabelhorizontalLabel.style.displayinnerHTML ='noneDistancia horizontal en metros (ida + vuelta, que es lo mismo que ida x 2):';
}
else { var descensoLabel .style.display= document.getElementById('descenso-labelblock'); descensoLabeldescenso.style.display='block'; var descenso ascensoLabel.innerHTML = document.getElementById('descensoMetros de ascenso:'); descensoLabelhorizontalLabel.style.displayinnerHTML ='blockDistancia horizontal en metros:';
}
