JS form element and math

Adding number to value of check box on click and alerting

by Oliver Kelso

HTML

<form>
    <tr>
    <th>AMMENITIES INCLUDED </th>
        <td><input type="checkbox" name="Ammenities" id="test" value='10000' /></td>
    <td> </td>
    <td> </td><th> Php 10,000 </th>
    </tr>
</form>

JavaScript

document.getElementById('test').onchange = function AmmenitiesCALC(value) {
    if ( this.checked === true ) {
        value = this.value;
        newValue = parseInt(value);
        alert(newValue);
		document.formcheck.Total.value = newValue;
		Total+=newValue;
		document.formcheck.Total.value = Total;  
    }
};