Parsing google calendar feed

i’m having problems parsing xml from google calendar feed, you can check this feed here:***

the main problem is to get startTime atribute value from this node witch is in entry node:
<gd:when startTime=“2008-04-02T10:00:00.000-07:00” endTime=“2008-04-02T11:00:00.000-07:00”/>

i found some info here:

i found out that it is a namespace case and I’m not quite familiar with this concept. will look in essential as3 by colin moock but i need it today so please help someone!