the initial value for the APPTS list need to be blank, you have it set to 0
change:
<select name="APPTS" id="APPTS">
<option value="0" selected="selected">0</option>
<option value="1">1</option>
</select>
to:
<select name="APPTS" id="APPTS">
<option value="" selected="selected">0</option>
<option value="1">1</option>
</select>