how to loop over all tags in a xml
i have a php that generates xmls like the next one
<register>
  <name>peter</name>
  <age>12</age>
</register> 
<register>
  <name>mary</name>
  <age>20</age>
</register>
so i receive this xml (this works fine)
$.ajax({success: function(xml) {  
   $(xml).find('register').each (function() 
   { 
     alert($(this).find('name').text()) // works fine, shows peter then mary on the next loop of "each"
     // But if i dont know the tag names (name,age) for each register ?     
     // Something like
      $(this).nodes().each .... // 
 alert($(this).tagName);  // i wanna show "name" & "age", how can i get the tag names inside each register in my xml sample tree?
   });    
}});