jQuery & XML

jQuery & XML

I have some XML that looks like this:
- <BusinessEntity xmlns:q1="http://schemas.microsoft.com/crm/2007/WebServices" xsi:type="q1:phonecall">
  <q1:scheduledstart date="4/25/2008" time="12:00 AM">2008-04-25T00:00:00-04:00</q1:scheduledstart>
  <q1:createdon date="4/24/2008" time="12:12 PM">2008-04-24T12:12:09-04:00</q1:createdon>
  <q1:modifiedon date="4/24/2008" time="12:39 PM">2008-04-24T12:39:57-04:00</q1:modifiedon>
  <q1:phonenumber>416-222-2343</q1:phonenumber>
  <q1:subject>Follow Up phone call : (The Unit needs staffing)</q1:subject>
  <q1:new_responsefcandidatehired name="No">0</q1:new_responsefcandidatehired>
  <q1:new_responseb name="No">0</q1:new_responseb>
</BusinessEntity>


- there is some more to it than that, but its an example.

With jQuery, how would I get a list of all of the node names (phonenumber,subject,etc) & their values?