[jQuery] Unknown pseudo-class or pseudo-element 'odd'.

[jQuery] Unknown pseudo-class or pseudo-element 'odd'.


Hello,
I am using JQuery 1.3.2 and the following code line:
$("table.Engine tbody tr:odd").addClass("Alternate");
I get the following error on firebug:
Unknown pseudo-class or pseudo-element 'odd'.
What am I doing wrong?
Thanks,
Miguel