This function returns an array of all input fields on the screen.
Example:
The example below turns all input fields with a length of 1 into checkboxes.
var fields = getInputFields();
for (var i = 0; i < fields.length; i++) {
var field = fields[i];
if (field.maxLength == 1) {
applyProperty(field, "field type", "checkbox");
applyProperty(field, "checked value", "X");
}
}