How to filter deleted event on client side

sample xml format which i wanted to load to the calendar.
I am not using any connector.


<start_date></start_date>
<end_date></end_date>



<rec_type></rec_type>
<event_pid></event_pid>
<event_length></event_length>


<start_date></start_date>
<end_date></end_date>



<rec_type></rec_type>
<event_pid></event_pid>
<event_length></event_length>


<start_date></start_date>
<end_date></end_date>



<rec_type></rec_type>
<event_pid></event_pid>
<event_length></event_length>


<start_date></start_date>
<end_date></end_date>



<rec_type></rec_type>
<event_pid></event_pid>
<event_length></event_length>

For deleted events, event_length field must contain the timestamp of the date, at which event was deleted, and rec_type=‘none’, something like

where
1308718200 = new Date(2011,05,22,7,50).valueOf()/1000