.find("a/img") doesn't work

[Heflying]

1.

.find("a/img") doesn't work in FireFox.

2.

$.ajax({url:'a.xml', type:'GET', dataType:'xml', ifModified:true, global:false, timeout:5000, success:function(xml){

var logR = $(xml).find("reads/web").text(); ......

doesn't work in FireFox and IE

a.xml: <logStats>

<reads>

<web>1</web> <feed>0</feed>

</reads>

</logStats>

[john]

Duplicate of #1346.